article_snippet.sent: The three victims were gunned down at The three victims homes in daylight attacks:
article_snippet.sent: the murders caused panic among the residents of the wealthy Washington D.C. suburb of Alexandria after the residents of the wealthy Washington D.C. suburb of Alexandria were warned by authorities that a serial killer was on the loose.
article_snippet.sent: The shootings were random but took place just blocks from each other when the victims opened the victims front doors at the same time of day.
article_snippet.sent: The three victims were shot at random outside The three victims front doors in broad daylight in the wealthy DC suburb of Alexandria, Virginia .
highlights_snippet.sent: The three victims were murdered at random in broad daylight when The three victims answered a knock at The three victims front door .