russ buettner, lisa rubin, thank you as well. >>> the widow of putin critic, alexei navalny, why russia is hiding his body. >>> and the university of colorado where authorities say a suspect has been taken into custody. we're back in just 60 seconds. y. we're back in just 60 seconds. >>> welcome back, we're following breaking news out of colorado. police announced they have taken a suspect into custody related to a shooting at the university of colorado. friday morning, two victims, samuel knopp, and celie rain montgomery were found dead. it appears to be an isolated incident. i want to bring in nbc news correspondent, emilie ikeda. some major developments with this arrest. what do we know? >> reporter: within the last hour or so, and it's understandable why it would bring so much relief to the community as there were so many unanswered questions since the past three days since the double homicide happened. we know the shooting happened around 6:00 a.m. on friday, and it led to the university of colorado, colorado springs to go under lockdown. police say that they still believe, even wi