The killing of five Dallas police officers and wounding of seven more late Thursday brought out the worst of people on the crackpot corners of the Internet.

While President Obama, civil rights leaders and members of Congress joined law enforcement officials in condemning the monstrous sniper attack by a former Army reservist named Micah Johnson, others took to Twitter, Facebook and other platforms to praise the murderer.

“Rip Micah!!!! Something had to give,” wrote a poster on a community Facebook page dedicated to Johnson. “To many blacks you are a hero. Sad for those officers but it’s been sad for the black community in years.”