Judge jails dentist for 21 years for double murder

A dentist who poisoned his wife and ex-lover’s policeman husband and then covered it up as a double suicide was jailed for a minimum of 21 years today.

Colin Howell, 51, from Glebe Road, Castlerock, Co Derry, was told by Mr Justice Anthony Hart at Belfast Crown Court that he will not be a free man again until 2031.