suspect down. >> that [ bleep ]. go get him. go get him, now. >> coming up -- who was todd caldwell talking about? turns out there was someone in seth and lisa's life who had everybody worried. >> things were escalating. they were fearful. i was fearful. >> when "dateline" continues. while also writing a maybe a rom-com. (vo) switch to verizon and get up to $1,000 off.