Joel Rivera was attacked around 7 p.m. Jan. 21 inside his residence on Nereid Avenue near Bronx Boulevard in Wakefield, a supportive housing development for veterans, police said.

Amir Ahmad, 26, was fatally blasted in the chest during a 12:20 a.m. Feb. 13 confrontation with Darlin Sanchez and Wanderlin Mateo, both 18, on Thwaites Place near Barker Avenue in Pelham Parkway, authorities said.