Absolutely I can tell you that. The service firearm of the Royal Canadian Mounted Police (S&W 5946, I think it's also the service firearm of the NYPD), the largest police force in Canada, does not have a safety. Many other forces use firearms without safeties as well.
Oh, but it's not without
ANY sort of safety mechanism. There are safety features, such as not firing when the magazine is removed. I'm just talking about external safety switches.
The point of a safety in a police firearm would be to get the police officer killed because he had to fuck around to turn off the safety in the event, God forbid, that he is facing a lethal threat and has to respond in a split-second.
In my mind, a safety is just another split-second delay in a police officer's reaction time if he ever has to use lethal force.
A competant officer should have no need for a safety. When the gun is in its holster, it's not going to go off. And when the gun is drawn from its holster, well, its because you might have to shoot someone, and a safety only impedes that objective.
Thanks!

It's a great career for me, and I'm having a lot of fun. And though I may occassionally be an asshole poster on GAF, I try hard to make sure I'm not an asshole cop in real life.
I'm certainly not here to make excuses for this officer, I'm just trying to clear up any ignorance about the police and offer some perspective from "the inside".
Safer than shooting the suspects? Yup.