Police-activity alert after a shooting at 40th and Sansom
AI-generated · every claim is source-linkedOn the night of April 25, 2026, a 24-year-old man was shot in the lower back near 40th and Sansom streets at the edge of Penn's campus. Penn's Division of Public Safety issued a UPennAlert at 11:04 p.m. describing only 'police activity', nearly an hour after the shooting occurred at 10:16 p.m.. The Daily Pennsylvanian editorial board excoriated the lag and the euphemism, citing 'systemic flaws of UPennAlert.' A 43-year-old suspect was identified by witnesses and stopped by Penn Police shortly after.
- Alerts
- 2
- Response
- —
- Killed
- 0
- Injured
- 1
Alert Sequence
2 messages in sequence · 1 verified verbatim
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How the first alert is built
To check this alert, SuperGrok Heavy 4.5 (an AI) read it in full 25 separate times, independently. Each read decided whether the message answers each of the six questions and gave a short reason. A final reviewer then weighed all 25 and wrote the plain-English verdict you see when you open a row. The score (for example 22/25) is how many reads agreed; the 25 individual reads are tucked underneath if you want to check them.
UPennAlert: Police Activity at 40th and Sansom Street. Police have secured the scene. Please avoid the immediate area. Police and Security are patrolling the area.
Sourcepresent25/25
Final assessment
All 25 reads find Source present: the branded signature UPennAlert identifies the sender, and Police and Security are named.
Who is sending the alert and who is responding. People act faster on a message from a clearly identifiable, credible sender, such as a named department, the police, or a branded alert system, than on an anonymous notice. A branded signature counts.
See all 25 individual reads
- present: The branded signature UPennAlert identifies the sender, and Police and Security are named.
- present: The branded signature "UPennAlert" identifies the sender, and police and security are named.
- present: The branded signature UPennAlert identifies the sender, and Police and Security are named.
- present: The branded signature UPennAlert identifies the sender, and Police and Security are named.
- present: The message opens with the branded signature "UPennAlert", which identifies the sender.
- present: The branded signature "UPennAlert" identifies the sender, with police and security named.
- present: The branded opener "UPennAlert" identifies the sender, and Police and Security are named.
- present: The branded signature UPennAlert identifies the sender.
- present: The message opens with the branded signature "UPennAlert" and names "Police" and "Security".
- present: UPennAlert is a branded sender tag, and the message also names police and security as responding authorities.
- present: The branded signature "UPennAlert" identifies the sender, and police and security are named.
- present: The branded tag "UPennAlert" identifies the sender, and police and security are named as responders.
- present: The branded signature "UPennAlert" identifies the sender, and Police and Security are named as responders.
- present: "UPennAlert" brands the sender, and Police and Security are named as the responding authorities.
- present: The branded opener UPennAlert identifies the sender, and police and security are named.
- present: The branded signature "UPennAlert" identifies the sender, and police and security are named.
- present: The branded signature UPennAlert identifies the sender, and police and security are named.
- present: The branded signature "UPennAlert" identifies the sender, with police and security also named.
- present: The branded tag "UPennAlert" identifies the sender, and Police and Security are named.
- present: The branded tag "UPennAlert" identifies the sender, and Police and Security are named as authorities.
- present: The branded tag "UPennAlert:" identifies the sender, and "Police and Security" name responding agencies.
- present: The branded opener UPennAlert identifies the sender, and Police and Security are named.
- present: The branded signature "UPennAlert" identifies the sender.
- present: The branded signature UPennAlert identifies the sender, along with Police and Security.
- present: The branded signature UPennAlert identifies the sender, and police and security are named.
Hazardabsent0/25
Final assessment
All 25 reads find Hazard absent: Police Activity is a generic label and does not name a specific threat such as shots fired or assault.
What the threat actually is. A complete warning names the specific danger, such as a shooter, a fire, a tornado, or a gas leak, rather than a vague emergency, because people decide what to do based on what they are facing.
See all 25 individual reads
- absent: Police activity is a generic label and does not name a specific threat.
- absent: "Police Activity" is a generic label and does not name a specific threat such as shots fired or an armed person.
- absent: Police Activity is a generic label like incident or situation and does not name a specific threat.
- absent: Police activity is a generic situation label and does not name a specific threat such as shots fired or assault.
- absent: "Police Activity" is a generic label and does not name a specific threat such as shots fired or assault.
- absent: "Police Activity" is generic and does not name a specific threat such as a shooting or assault.
- absent: "Police Activity" does not name a specific threat such as a shooting or assault.
- absent: Police activity is a generic label and does not name a specific hazard such as shots or an armed person.
- absent: "Police Activity" is a generic label and does not name a specific threat such as a shooting or assault.
- absent: Police activity does not specify what the threat is, unlike shots fired or an assault, so no named hazard is present.
- absent: "Police Activity" does not name a specific threat such as shots fired or an armed person.
- absent: "Police Activity" is a generic situation label and does not name a specific threat such as a shooting or fire.
- absent: "Police Activity" is a generic label like incident or situation and does not name a specific threat.
- absent: "Police Activity" does not name what the threat is, only that police are involved.
- absent: Police Activity does not name a specific threat such as a shooting or assault.
- absent: "Police Activity" is generic and does not name a specific threat such as shots fired or an armed person.
- absent: Police Activity does not name a specific threat such as shots fired or an armed person.
- absent: "Police Activity" is a generic situation label and does not name a specific threat.
- absent: "Police Activity" does not name a specific threat such as shots fired or an armed person.
- absent: "Police Activity" is a generic label and does not name a specific threat such as a shooting or assault.
- absent: "Police Activity" is a generic label like incident or situation and does not name a specific threat.
- absent: Police activity is a generic label and does not name a specific threat such as shots fired or an armed person.
- absent: "Police Activity" is a generic label and does not name a specific threat such as shots fired.
- absent: Police Activity is a generic situation label and does not name a specific threat.
- absent: Police activity is a generic label and does not name a specific threat such as shots fired or an armed person.
Locationpresent25/25
Final assessment
All 25 reads find Location present: the activity is at 40th and Sansom Street and the immediate area.
Where the threat is. Saying whether danger is in a specific building, a part of campus, or area-wide lets people judge their own proximity and choose a safe direction. Without a where, a warning is hard to act on precisely.
See all 25 individual reads
- present: It locates the activity at 40th and Sansom Street and the immediate area.
- present: It locates the activity at "40th and Sansom Street" and the immediate area.
- present: It places the event at 40th and Sansom Street and refers to the immediate area.
- present: It names 40th and Sansom Street and the immediate area.
- present: It names 40th and Sansom Street and refers to the immediate area.
- present: It places the activity at "40th and Sansom Street" and the immediate area.
- present: It places the activity at "40th and Sansom Street".
- present: It locates the activity at 40th and Sansom Street.
- present: It locates the activity at "40th and Sansom Street".
- present: The activity is located at 40th and Sansom Street and recipients are pointed to the immediate area.
- present: It gives the place as 40th and Sansom Street and refers to the immediate area.
- present: It places the event at "40th and Sansom Street" and refers to the immediate area.
- present: It locates the event at "40th and Sansom Street" and refers to the immediate area.
- present: The activity is at "40th and Sansom Street", a specific intersection.
- present: The scene is at 40th and Sansom Street, and people are told to avoid the immediate area.
- present: It locates the activity at "40th and Sansom Street" and the immediate area.
- present: It locates the activity at 40th and Sansom Street and the immediate area.
- present: It locates the activity at "40th and Sansom Street" and the immediate area.
- present: It places the activity at "40th and Sansom Street" and refers to "the immediate area".
- present: It places the activity at "40th and Sansom Street" and the immediate area.
- present: It locates the event at "40th and Sansom Street" and tells people to avoid "the immediate area".
- present: It names 40th and Sansom Street and the immediate area.
- present: It gives the intersection "40th and Sansom Street" as the location.
- present: It locates the activity at 40th and Sansom Street and the immediate area.
- present: It locates the activity at 40th and Sansom Street.
Guidancepresent25/25
Final assessment
All 25 reads find Guidance present because recipients are told to avoid the immediate area, a protective instruction.
The protective action to take. A clear, specific instruction, such as shelter in place, evacuate, avoid the area, or run-hide-fight, drives faster and more correct protective behavior than describing the threat alone.
See all 25 individual reads
- present: It instructs people to avoid the immediate area, a protective action.
- present: It tells recipients to "avoid the immediate area".
- present: Recipients are told to avoid the immediate area, a clear protective instruction.
- present: Recipients are instructed to avoid the immediate area.
- present: It instructs recipients to "avoid the immediate area", a protective action.
- present: It tells recipients to "avoid the immediate area", a protective instruction.
- present: It instructs recipients to "avoid the immediate area".
- present: It instructs recipients to avoid the immediate area.
- present: Recipients are told to "avoid the immediate area", a protective action.
- present: Please avoid the immediate area is a protective instruction, whereas police securing the scene and patrolling is responder status rather than recipient guidance.
- present: It tells recipients to avoid the immediate area, a protective action.
- present: It instructs recipients to "avoid the immediate area", a clear protective action.
- present: It instructs recipients to "Please avoid the immediate area", a protective action, while securing the scene is responder activity.
- present: "Please avoid the immediate area" is a direct protective instruction to the audience.
- present: It instructs recipients to avoid the immediate area, a protective action.
- present: It tells recipients to "avoid the immediate area", a protective action.
- present: It tells recipients to avoid the immediate area.
- present: It tells recipients to "avoid the immediate area", a protective instruction.
- present: It instructs recipients to "Please avoid the immediate area".
- present: It instructs recipients to "avoid the immediate area", a protective action.
- present: It instructs recipients to "avoid the immediate area", a protective action.
- present: It tells recipients to avoid the immediate area, a protective action for them.
- present: Recipients are told to "avoid the immediate area".
- present: It tells recipients to avoid the immediate area, a protective instruction.
- present: It tells recipients to avoid the immediate area.
Timeabsent0/25
Final assessment
All 25 reads find Time absent: no clock time, date, or recency cue such as now or immediately is given.
When the message applies. A timestamp, the word now or immediately, or a phrase like until further notice tells the reader whether the danger is current and how quickly to act.
See all 25 individual reads
- absent: No clock time, date, or recency cue such as now or immediately is given.
- absent: No clock time, date, or recency cue such as now or immediately appears.
- absent: No clock time, date, or recency cue such as now or immediately is present.
- absent: No clock time, date, or recency word such as now or immediately is present.
- absent: No clock time, date, or recency cue such as now or immediately appears.
- absent: No clock time, date, or recency cue such as now or immediately is given.
- absent: No clock time, date, or recency cue such as now or immediately appears.
- absent: No clock time, date, or recency cue such as now or immediately appears.
- absent: No clock time, date, or recency cue such as "now" or "immediately" appears.
- absent: No clock time, date, or recency cue such as now or immediately is given.
- absent: No clock time, date, or recency cue such as now or immediately is present.
- absent: No clock time, date, or recency cue such as now or immediately is given.
- absent: No clock time, date, or recency words such as now, immediately, or ongoing appear.
- absent: No time of day, date, or recency cue such as now or immediately is present.
- absent: No clock time, date, or recency cue such as now or immediately appears.
- absent: No clock time, date, or recency words such as now or immediately appear.
- absent: No clock time, date, or recency cue such as now or immediately is given.
- absent: No clock time, date, or recency cue such as now or immediately is given.
- absent: No clock time, date, or recency cue such as now or immediately appears.
- absent: No clock time, date, or recency cue such as now or immediately is given.
- absent: No clock time, date, or recency cue such as now or immediately is given.
- absent: No clock time, date, or recency cue such as now or immediately is given.
- absent: No clock time, date, or recency cue such as now or immediately is present.
- absent: No clock time, date, or recency word such as now or immediately is given.
- absent: No clock time, date, or recency cue such as now or immediately appears.
Impactabsent0/25
Final assessment
All 25 reads find Impact absent: the text states no harm, danger, or severity, only that police secured and are patrolling the scene.
What the hazard could do to the people in its path. Beyond naming the threat, a complete warning conveys its potential consequences or severity, such as that a tornado can level buildings or that a leak could be explosive, so recipients grasp how much danger they are in. Research on warning message content finds that a concrete impact statement helps people personalize their risk and act sooner.
See all 25 individual reads
- absent: The text states no harm, danger, or severity, only that police secured and patrol the scene.
- absent: It states no consequence or severity for people or property.
- absent: The text does not state any consequence or severity, only that police secured and are patrolling the scene.
- absent: The text does not describe harm, danger, or other consequences of the activity.
- absent: It does not state any consequence or severity from the police activity.
- absent: Nothing states consequences or severity of the police activity for people or property.
- absent: Nothing states a consequence or severity, such as danger or possible injury.
- absent: The text does not state any consequence or severity for people or property.
- absent: It does not state any consequence or severity to people or property.
- absent: No consequence or severity is stated, such as danger, injury, or a threat to safety.
- absent: Nothing describes harm or severity, and securing the scene is responder status, not impact.
- absent: No harm, danger, or severity is stated; securing the scene describes responders, not impact.
- absent: Nothing states what the police activity could do or how serious it is for people or property.
- absent: Securing and patrolling the scene does not describe harm or severity for people.
- absent: Nothing states what the police activity could do or how serious it is.
- absent: Nothing states what the activity could do or how serious it is for people or property.
- absent: Nothing states a consequence or severity for people or property.
- absent: Nothing states harm, danger, or other consequences of the police activity.
- absent: The text describes police securing and patrolling a scene, not harm or severity to people or property.
- absent: No consequence or severity is stated, only that police secured the scene and are patrolling.
- absent: Nothing states consequence or severity, only that police secured the scene and are patrolling.
- absent: Nothing states harm, danger, or how serious the activity is for people or property.
- absent: The text states no consequence or severity for people or property.
- absent: Nothing states harm, danger, or severity beyond police activity and a secured scene.
- absent: It does not state any consequence or severity for people or property.
Coded by SuperGrok Heavy 4.5
Systematic AI judgments with visible reasoning, not human-validated codings.
Background
Key Findings
Sources
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Campus Alert Archive. "University of Pennsylvania: Police-activity alert after a shooting at 40th and Sansom." Incident of April 25, 2026. Added May 2026; last updated September 2026. https://campusalertarchive.com/case/university-of-pennsylvania-sansom-shooting-alert-2026-04-25/
Alert text quoted on this page remains the work of the issuing institution; the archive is a secondary source.