Boston Police have released two photos of the person of interest they're seeking in connection with the stabbing death of Rashad "Rizz" Lesley-Barnes at Warren and Kearsarge streets last Wednesday.

The top photo, police say, shows the man in the act of fatally stabbing Lesley-Barnes after they'd gotten off a 23 bus there. The bottom photo, they say, shows him getting on the 23 bus at Washington and School streets in Dorchester.

If the guy looks familiar, contact homicide detectives at 617-343-4470 or the anonymous tip line by calling 800-494-TIPS or texting TIP to CRIME (27463).

Two photos of him on the bus.