Questions still remain almost three weeks after Baltimore's largest mass shooting.

How could Baltimore Police not know of an event that has happened every year at the same place, around the same time?

Law enforcement analyst Melissa Pinkelton says Baltimore Police's knowledge of the block party, should have come from somewhere, especially on the day of the event.

“It should have been picked up somewhere, especially if it’s a yearly event," said Pinkelton.... Read More: FOX45