CNN New Day December 4, 2015 11:04:00
She came to the u.s. on a k-1 visa, what's known as a fiancee visa. she gained a green card, a visa while here in the u.s. these points are not definitive but are key and raising red flags for investigators as they build a possible terrorist explanation for these crimes. they're also looking at workplace violence and some combination of the two. there is precedent for that. we've seen cases in france. another case in the u.s. where someone had both islamic extremist tendencies but also a workplace problem. and that came together to a violent end. chris, back to you. >> and if the investigators...