What to Know
Real estate developer Sean Schellenger died shortly after being stabbed in the back just one block from Philadelphia's Rittenhouse Square .
Witnesses told investigators an argument between the victim, who was riding in a car, and the suspect escalated.
Michael White, a college student, is charged with murder.
A memorial service is set for a Philadelphia real estate developer who was stabbed and killed in a confrontation with an Uber Eats delivery bicyclist.
The service for 37-year-old Sean Schellenger will be held Tuesday at 10 a.m. at Radnor High School Auditorium.
Late Friday, 20-year-old college student Michael White turned himself in. He's charged with murder and possession of an instrument of crime in Thursday's stabbing. He attends Morgan State University in Baltimore.
Police say Schellenger was riding with two others in a Mercedes-Benz when a confrontation ensued with White. Police say he pulled knife from his backpack and stabbed Schellenger.
Greg Thompson, a spokesman for White's family, says he acted in self-defense.
He says White kept a knife in his backpack for protection because he delivered food late into the night.