PHILADELPHIA (CBS) — Mercer County Prosecutor Angelo Onofri said that police heeded the warning of Wilson Elementary School teacher Danielle Grady prior to a shooting at last weekend’s Trenton Arts festival that injured 22 people.READ MORE: Amtrak Forced To Reduce Service Along Northeast Corridor Due To COVID-Related Staffing Shortage
The Mercer County Prosecutor’s Office release states “without Grady’s warning, additional deaths and injuries would likely have occurred.”
The release states Onofri received information on Wednesday that a former Hamilton Township police officer saw Grady’s post and directed Trenton police to the warning around 2 p.m. on Saturday.READ MORE: 1 Dead After Being Shot 3 Times In North Philadelphia
Trenton police responded with a heightened security presence at the Art All Night festival, according to the release.
Onofri said Grady’s post was made in hopes of tipping off her law enforcement friends on Facebook.
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Two suspects are in custody and police have charged them. Another suspect, an alleged shooter, died during the shooting.