MOST WARRANTS REQUIRE THE POLICE TO KNOCK FIRST. THE POLICE WILL ALWAYS ANNOUNCE!!!
Perhaps, but then we have this excerpt:
A legal no-knock raid, then, can happen in one of two ways. Police can make the case for exigent circumstances to a judge, who then issues a no-knock warrant; or police can determine at the scene that the exigent circumstances exist and make the call for a no-knock raid on the spot. In the latter case, courts will determine after the fact if the raid was legal.
In the real world, the exigent-circumstances exceptions have been so broadly interpreted since Wilson, they've overwhelmed the rule. No-knock raids have been justified on the flimsiest of reasons, including that the suspect was a licensed, registered gun owner (NRA, take note!), or that the mere presence of indoor plumbing could be enough to trigger the "destruction of evidence" exception.
In fact, in many places the announcement requirement is now treated more like an antiquated ritual than compliance with a suspect's constitutional rights. In 1999, for example, the assistant police chief of El Monte, Calif., explained his department's preferred procedure to the Los Angeles Times: "We do bang on the door and make an announcement—'It's the police'—but it kind of runs together. If you're sitting on the couch, it would be difficult to get to the door before they knock it down."
That comment came in a story about a mistaken raid in which Mario Paz, an innocent man, was shot dead by a raiding SWAT team when he mistook them for criminal intruders and reached for a gun to defend himself.
Snipped from this article
What many appear to ignore is that corruption and abuse occurs regardless of which side of the badge the human finds himself. In another case we see criminal corruption killing an innocnet woman:
On Nov. 21 of last year, Atlanta police planted marijuana on Fabian Sheats, a "suspected street dealer." They told Sheats they would let him go if he "gave them something." Sheats obligingly lied that he had spotted a kilogram of cocaine nearby, giving them the address of the elderly spinster Miss Kathryn Johnston, who neither used nor dealt drugs, but who did live in fear of break-ins in her crime-infested neighborhood.
Police then lied to a judge, claiming they had actually purchased drugs at the Johnston house. They acquired one of those once-rare "no-knock" warrants, and violently battered down the reinforced metal door of a private home where there were no drugs.
Miss Johnston fired a warning shot at the unknown people busting down her door. That bullet lodged in the roof of her porch, injuring no one. Police replied by firing 39 rounds at her, hitting her five times, and wounding each other with another five rounds -- though they lied and said they'd been shot by Miss Johnston.
They then handcuffed the old woman as she bled to death on the floor and searched her house. Finding no drugs, they planted three bags of marijuana.
The next day, the cops picked up one Alex White, an informant, advising him that they needed him to lie, saying that he had purchased cocaine at Johnston's house. White refused, managed to escape and went to the media with the story.
linky
The number of no-knock raids has increased from 3,000 in 1981 to more than 50,000 by 2005.
Some LE have asked, I'll paraphrase,"Well what Is the answer then? What is a better way?" The answer I have is I don't know, but it's clear to me that no-knocks aren't it. I don't mean to be callous, but if one is so concerned that he return to his family that he is willing to risk the innocent public to save his skin, he is in the wrong profession. No one is compelled to be law enforcement, but I have no choice to be a civilian vulnerable to no-knocks by virtue of a clerical error and "exigent circumstances".