After a day of lockdown, Bostonians came out cheering when their mayor shouted “We got him!”  A massive police operation in Boston ended Friday night with the capture of Dzhokhar Tsarnaev, 19, suspected with his brother of the twin bombing Monday, April 15, at the Boston Marathon which left three dead and 180 injured and the death of a police in a shootout out at MIT Friday. He was finally hunted down hiding in a boat at a Watertown address and captured injured and still conscious and able to answer questions. Commenting on the capture: President Barack Obama pledged: We will determine what happened and find their associations.