PURCELLVILLE, VA — A community is devastated after a suicidal teenager was shot to death by police following a family’s call for help. Christian Alberto Sierra, 17, was a popular student and athlete at Loudoun Valley High School.  His friends noticed his good-natured demeanor begin to slip into a depression and ultimately toward the unthinkable.  On May 24, 2014, he suffered a breakdown and threatened suicide. While at a friend’s house on a Saturday afternoon, he began to act erratically and harmed himself with a knife.  The Washington Post describes what happened: Christian began cutting himself with a knife, his mother said, and … Continue reading High Schooler Says He Will Commit Suicide