Watertown Police were called to Waltham Street to check on the welfare of a man, and when they located them they also found something incriminating on him.
Police received a call from a concerned family member on Oct. 27 at 8:17 p.m. When officers went to the man’s home, they were told he was out, said Watertown Police Lt. Michael Lawn.
Around 10:36 p.m., police found the man on Waltham Street near Falmouth Road.
“Officers pat frisked him and located a baggie with a white substance believed to be cocaine,” Lawn said.
He had a total of 27.3 grams of cocaine, Lawn said.
The man, Joseph T. Rubino III, 27, of Watertown, was arrested on a charge of trafficking more than 18 grams of a Class B substance, Lawn said.