An IRS special agent was killed during an accidental shooting by another agent during a training exercise Thursday, according to ABC15 sources. In a statement released Thursday evening, FBI officials confirmed they are investigating the death of an IRS special agent but did not share further details about what led up to the incident. The Federal Bureau of Prisons (FBOP) says it is investigating a "shooting incident" at the Federal Correctional Institutional (FCI) Phoenix firing range Thursday afternoon but could not confirm additional details. The FBOP says the gun range was being utilized by multiple federal agencies at the time....