Lloydminster RCMP responded to the death of a man inside a home on 47A Avenue yesterday morning.
An investigation carried out by the Alberta RCMP Major Crimes Unit led to the arrest of 49-year-old Elaine Behm.
She was charged with second-degree murder in relation to the death of 51-year-old Darren Behm.
RCMP are not seeking any other suspects in the investigation.
Elaine is in custody and is set to appear in Lloydminster Provincial Court on Thursday.
Police say no further information will be released as the matter is before the courts.