DALLAS– A newly released police report offers personal details of the person responsible for last month's shooting at a Dallas Immigration facility that killed two detainees and injured another, and experts think he may have been motivated more by notoriety than ideology.

The mayor says Dallas could be forfeiting millions in federal reimbursements and missing a chance to expand police staffing by rejecting ICE's 287(g) partnership offer.

This comes days after Dallas police Chief Daniel Comeaux said he declined a $25 million offer to join the 287(g) program that authorizes police officers

Chief Comeaux went so far as to claim that he recently turned down a $25 million offer to team up with ICE on immigration enforcement.

A sniper opened fire on the Dallas Immigration and Customs Enforcement field office on Wednesday morning, killing one detainee and critically wounding two other detainees, the Department of Homeland Security said.

Dallas police Chief Daniel Comeaux on Tuesday said he turned down a $25 million offer to join a federal program that would have authorized some of

After months of questions and confusion, Comeaux clarified his stance on partnering with ICE.