police say he was born adrian russell adayo. they are reaching out to the people of london to find out more information about that attacker. >>> police say right now they are investigating how he was radicalized. they hope the arrest will help them figure that out. >>> developing on your friday. two cities now tied on a brutal crime. police arrived for a welfare check. hours later, authorities detained a man at an apartment in western addition. he was taken on pierce and golden gate. that's they found him. our sacramento sister station detained a man of the estranged husband of the woman who died, along with their two children and a niece. authorities have not officially identified those victims yet. in sacramento a woman calling herself the young victim's grandmother talked about what happened. >> i don't know anything about what's going on. it's mid daughter. i don't know what's going on. but i'll find out when i get down here. >> so obviously confused. the victims were discovered after police went to the home for a welfare ch