month after the boston marathon bombings, the accused terrorist tamerlan tsarnaev is now in the ground. cnn has confirmed the body of tamerlan tsarnaev has been buried in a muslim cemetery in doswell, virginia. now we're learning the boston police had no idea russia warned the united states about him two years before the carnage at the finish line. joining me now is the chairman of the house homeland security committee republican congressman michael mccall of texas. congressman, thanks for being here. >> thanks, jake. >> you held the first hearing on the boston bombings this week. what was the biggest takeaway for you? what questions remain unanswered? >> i think from boston police commissioner ed davis. i asked him did you know about the russian intelligence? the answer is no. did you know about his foreign travel? the answer was no. and virtually every aspect of the fbi's investigation on tamerlan was not disclosed to the boston police despite the fact that they had two police officers assigned to the joint