Looks like there is reason to believe BLM was behind it.
Shocking New Details in the Murder of Texas Police Officer Don Allen
http://www.wjno.com/onair/the-john-cardillo-show-56602/shocking-new-details-in-the-murder-13913000/
>>Texas Law Enforcement sources have told me that the crime scene of off duty Abilene, Texas Police Officer Don Allen’s murder included anti-cop slurs written in blood.<<
I’m so sick of these attacks on officers....they’ll withdraw all the more til everyone will have to fight their own crooks and criminals....who don’t care about laws, police or anything but what they can take anyway.