. >> as victim's older merton's it runs police turned their attention to the apartment of the suspecthe apartment is booby trapped with various chemicals, devices in an apparent tripwires. this >>catherine: the fbi said there is no evidence to ties to terrorists. >>grant: he did not have any criminal history. he was said to be quiet and kept to himself. now, everyone is wondering why he did it. so far there is no clear warning signs on all his disturbance are capable of such a heinous act of violence. he was a smart kid and a good student have generally kept to himself. >> the conversations we did have were very short period he is some of you would not even look at twice walking down the street. >> after high school he attended the university of california recited enrolled in the neuroscience program rights with a high honors in 2010. then he move to colorado to pursue his ph.d. in neuroscience serious and recently he began the process of withdrawing from that program. >> has family released this statement. cost half of all the love is like this not of paramount and dozens of people a