History http://www.plrarticleselite.com/stmap_42dayej.html is tamoxifen a prescription drug Dzhokhar Tsarnaev, the accused bomber, took cover in a boat parked in David Henneberry's backyard in Watertown, Massachusetts, after an overnight gun battle with police that followed the killing of a university police officer and left Tsarnaev's older brother, Tamerlan, dead. He was found at the end of a day-long lockdown of most of the Boston area four days after the blasts.