Dallas police have an initiative where they go to houses at random and try attempt to get PC/consent for a search. Some witnesses are saying that the cops already have guns drawn and aren't really *asking* at all. You decide.
Dallas police re-launch 'knock-and-talk' initiative
All in the name of the Drug War and Gun Control.
Dallas police re-launch 'knock-and-talk' initiative
In another case, in January 2006, News 8 reported the case of Tim Sims. Dallas police barged into a house where he was staying looking for drugs, another knock-and-talk operation. Sims said police never asked to search the house. "They just came in with guns drawn and said, 'Open the door!'"