Investigators say the video shows the shooter walking to the area and waiting in a nearby stairwell for about five minutes before Cesar Flores-Diaz arrived.
Human remains were found underneath the home of the suspect arrested in connection with the disappearance of a missing Redlands couple, authorities confirmed Friday.
Stacy Moon said her son, 20-year-old Corey Hayes-Williams, struggled in life.
The City of Philadelphia is offering up to $20,000 in reward money for information that leads to the arrest and conviction of the person responsible.
The 25-year-old plumber lived in Delaware but on the night of May 30, he was in Philadelphia.
The suspect's vehicle is described by police as a 2009 to 2016 Nissan Maxima. It was reportedly teal or green in color and had a moon roof, chrome rims, and turn signal mirrors.