A bomb blast at a famous sporting event. The Boston Marathon. Kills 3 people and leaves over 180 injured. The first major attack of this type in the US since 9/11.
A key suspect , many on Twitter have it, is a young man who has been missing since March 16, over a month ago. His name is Sunil Tripathi.
A dead of night shoot out in an University town leaves a police office gunned down. One of the two perpetrators is killed in this gun battle.