Amy Brittain Maura Judkis The Washington Post

Nearly six years ago, on an unseasonably warm April night in Washington, Lauren Clark was cooling down from a jog when she spotted a man in the distance. She quickened her pace, hurried past him and, for a moment, considered crossing the street.

Nearly six years ago, on an unseasonably warm April night in Washington, Lauren Clark was cooling down from a jog when she spotted a man in the distance. She quickened her pace, hurried past him and, for a moment, considered crossing the street.