Overnight attacks in Dorchester: One dead, one could die

Hispanic man in his 20s, stabbed to death at 519 Geneva Avenue, Dorchester, around 3:37 this morning.

Black man, in his 50s, found shot repeatedly at 4 Beale St., Dorchester, around 10 p.m. yesterday; in critical condition with life-threatening injuries at Boston Medical Center. On Feb. 9, 2006, another man was found shot repeatedly at the same address.