Ben Koomen, courtesy his Facebook page Metropolitan Police Department officials are investigating the death of Benjamin Koomen, a genetic diagnostic laboratory supervisor who was found near Meridian Hill Park on Sunday morning. Koomen, 34, died at 3:30 p.m. on August 9 as a result of injuries he sustained, which DCist first glossed after a reader discovered blood at the park. MPD Assistant Chief Diane Groomes said that the cause of death has not been…