Sean Patrick McMahon, 30, hanged himself after he killed his wife inside their house in Lake Linganore.

McMahon poured a flammable liquid throughout the house at 6661 Harbor Light Way, including its basement, according to the Frederick County Sheriff's Office. Fire consumed the house.

Investigators found his body along with that of his wife, Marijke Sherwood McMahon, 26, inside the two-story house.

Officials said Marijke McMahon died from blunt trauma to the head and asphyxiation.

Coverage:

Family, Friends Recall Murder Victims (Nov. 1, 2007)
Marijke McMahon, 26, was killed by her husband, Sean McMahon, Oct. 25 before he set their Lake Linganore townhouse ablaze and hanged himself, police said.

Body Found is Husband (Oct. 30, 2007)
McMahon, 30, poured a flammable liquid throughout their house at 6661 Harbor Light Way, including its basement, Thursday night before setting it ablaze, according to the Frederick County Sheriff's Office. Investigators are trying to determine the kind of liquid.

Body in Burned Townhouse Identified as Husband (Oct, 29, 2007)
McMahon, 30, poured an accelerant all around the two-story house at 6661 Harbor Light Way, including the basement, according to the Frederick County Sheriff's Office.

Police: Woman Murdered (Oct. 27, 2007)
Marijke Sherwood McMahon, 26, died from asphyxiation and blunt force trauma to the head, said Cpl. Jennifer Bailey of the Frederick County Sheriff's Office.

Woman in Townhouse Fire Died of Asphyxiation, Blunt Force Trauma (Oct. 26, 2007)
Marijke Sherwood McMahon, 26, of Frederick, died from asphyxiation and blunt force trauma to the head, said Cpl. Jennifer Bailey.