After three shootings in Deep Ellum on Halloween led to four deaths and over a dozen injured, federal authorities are providing more resources for policing the popular Dallas nightlife area.

Deep Ellum Halloween shootings What we know: Four people were killed and many more were injured in three separate shootings in Deep Ellum on Halloween night, with the violence unfolding in a 75-minute span.

The first shooting happened around 12:20 a.m. Sunday in the 2600 block of Elm Street, police said.