Dzhokhar Tsarnaev’s arrest in the Boston Marathon bombing in 2013 left his closest friends from high school stunned and, for a time, disbelieving...To many of these friends, Tsarnaev is now viewed as a callous killer of innocent people, as well as a betrayer of friends. Though most of them oppose the death penalty in principle, some say they won’t lose sleep if he’s executed...Phillipos, 21, is expected to be sentenced this month for two counts of lying to federal agents...Silva was arrested for, among other things, providing a gun to Tsarnaev at some point in early 2013, and that this...