Waltham, MA - A body recovered from the Charles River April 22 has been identified as missing Waltham man Leonard "Lenny" Quirk, the Middlesex County District Attorney said Thursday.

Quirk, 66, first went missing February 23, last seen walking out the back door of Francis Cabot Lowell Mill. His body was found floating near the Charles River Canoe and Kayak shop nearly a month later.

The Middlesex County District Attorney's Office, Massachusetts State Police and Waltham Police are investigating this matter, according to the press release.