Javier Hernandez, 28, of Brooklyn, hit and killed a 3-year-old man and fled, police say.
The grenade was inert and "probably a relic of some kind," a police source said.
The woman, who had numerous tattoos, was found in a South Richmond Hill home early Saturday.
Neighbors remember stabbing victim Aaron Campbell as quiet and friendly.
Anthony Matthews, 31, was arrested when he took the 26-year-old victim to Woodhull Medical Center.
Arthur Roldan, 28, was charged with rape, menacing and assault, police said.
Dion Whitehead, 38, was arrested for four robberies since May, police said.
Isaac Kadare, 59, sustained head trauma when cops found him Thursday night, police said.
Nolan Wells, 22, has been arrested for killing Jawaad Muhammad after a fight over a basketball game.
The thief has robbed cell phones, jewelry and wallets during his three-month spree, police said.
Jawaad Muhammad was killed in front of 852 East 37th Street late Monday night, police said.
Cameron Wharton, 42, crashed into two parked cars just blocks from his Hamilton Heights home.
John Yoos, 43, attacked Spanish tourist Hugo Alejandre with a hammer in City Hall Park, police said.
The victim was shot in the face and back outside the St. Mary's Park Houses in Longwood, cops said.
Jesus Astimbay, 27, was arrested for manslaugther outside Manila Bar on Roosevelt Avenue in Corona.
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