Federal law enforcement officials are holding a news conference at 10:30 a.m. Tuesday in Dallas about violent crime law enforcement efforts. Attendees include Ryan Raybould, U.S. Attorney for the Northern District of Texas; Brian Garner, Special Agent in Charge of ATF Dallas; Joseph Tucker, Special Agent in Charge of DEA Dallas; Jeremy Wright, Assistant Special Agent in Charge of FBI Dallas; Travis Pickard, Special Agent in Charge of HSI Dallas; Dallas police Chief Daniel Comeaux; Christopher Altemus, Special Agent in Charge of IRS-CI Dallas; and Major Eric Wilson, Texas DPS North Texas CID.