Dontre Mitchell was shot dead just before 8:40 a.m. Sunday, April 16 at 2920 Chesley Ave., according to Metro Crime Stoppers of Maryland.
Footage shows a man dressed in all black with a large firearm lurking outside of the home in the moments before the shooting.
Submit a tip at 1-866-7-LOCKUP or www.metrocrimestoppers.org. If your tip leads to an arrest and charges you may be eligible for a reward up to $8,000.
Click here to follow Daily Voice Towson and receive free news updates.