A faction of the Red Brigades guerrilla group took responsibility for the killing.

The Irish Republican Army later took responsibility for the killing.

No one immediately took responsibility for the killing.

The group has taken responsibility for the killing of French citizens and other foreigners living in Algeria.

Owain took vengeance for the killing of his father by blinding Madog.

Who knew what vengeance they might take for the killing of the Padres?

That group took responsibility for the killing of three Palestinians last year.

The Israeli government did not take responsibility for the killing.

Miller's partner on the trip, Lawrence Angel, was convinced to take credit for the killing.

No group took credit for the killing.