Police say a 24-year-old woman gave them fake names and refused to answer questions when they arrived at a Charlestown houseboat for a well-being check. She was arraigned Friday on a charge of murder.

Police were conducting a welfare check at the houseboat, which was docked at the Charlestown Marina, when they found the body of Joseph Donohue, 65, police said.

New information has been released on the murder of a man found stabbed to death on a houseboat in Charlestown last weekend.

The woman arrested at the scene of a death at a Charlestown houseboat over the weekend is now considered a “person of interest” in the man’s death.

A Boston woman is now facing a murder charge after a man was found stabbed to death on a houseboat in Charlestown last weekend.

BOSTON - A man found dead on a houseboat in Charlestown on Sunday has been identified as 65-year-old Joseph Donohue. He died from multiple stab wounds, Boston police said Wednesday, and his death has been ruled a homicide.

A 24-year-old named a “person of interest” in connection with the death of a man on a luxury houseboat in Charlestown now faces a murder charge, prosecutors said Thursday. Nora Nelson was arrested at the scene of the man’s death on Sunday night on a trio of warrants charging her with a variety of domestic violence offenses unrelated to the Charlestown case.