The torso of 65-year-old Edwin Echevarria was found in a sleeping bag in a suitcase floating in the river. Police have arrested his partner's son.

The human remains found in a suitcase floating in the East River have been identified as Edwin Echevarria, 65, who was allegedly murdered by 23-year-old Christian Miller.

The victim was identified as Edwin Echevarria, a 65-year-old man from the Lower East Side — and his alleged killer is his 23-year-old roommate, police said.

A man was charged with second-degree murder after his reported roommate's remains turned up in a suitcase on the East River.New York police said they retrieved

The NYPD Harbor Unit spotted a suitcase containing the remains of Edwin Echevarria, 65, on Feb. 5. EMS personnel pronounced Echevarria dead at Pier 16, where the suitcase was transported. Millet allegedly made statements linking himself to the crime, ABC 7 reported.

The NYPD has arrested the roommate of a man whose dismembered body was found floating inside a suitcase in the East River last week—after the two had been fighting about food, sources said.