Joseph Rothrock, special agent in charge of the Dallas FBI field office, described the "significant, high-degree of pre-attack planning" that preceded the deadly shooting. Rothrock said Jahn searched for information about the ICE facility and how to track the location of ICE agents.

Joshua Jahn sister Kioko images and siblings childhood pictures are circulating on social media while questions grow about his background. The Dallas ICE shooter, identified as Jahn, is suspected of possible Antifa ties,

Dallas shooter Joshua Jahn's gamer pals made ghoulish jokes about his attack on an ICE facility where he killed one person and critically wounded two others — including suggesting he "shoulda hit the range a lil more.

Joshua Jahn opened fire on a Dallas ICE van, killing one detainee, injuring two, and left behind 'ANTI-ICE' ammo and a nuclear fallout map

Joshua Jahn, 29, identified as the shooter at the Dallas ICE detention center, killed at least two inmates and wounded one before turning the gun on himself.