Seattle Seahawks defensive lineman Michael Bennett, the Las Vegas police and the union that represents the officers have each given their version of what occurred when Bennett was detained in the early morning hours of Aug. 27.

A device that could reconcile what happened was not activated as Bennett was confronted at gunpoint and handcuffed: body-worn cameras that are required to be used in such situations by officers of the Las Vegas Metropolitan Police Department.

"This is very troubling,” Roxann McCoy, president of NAACP Las Vegas, told USA TODAY Sports on Friday. "The NAACP and ACLU fought to make body-worn cameras mandatory and they are now mandatory for a reason. We have seen it time and time again where officers have not turned on their cameras, which is a violation of policy. I consider this a big issue. They have the cameras so we can see what's happening. That's the whole point."

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Bennett, who attended the Floyd Mayweather-Conor McGregor fight earlier in the evening, said he was among several hundred people who ran after hearing what they believed were gunshots fired nearby. USA TODAY Sports reported that police are investigating whether Bennett was involved in an altercation at the Cromwell Las Vegas Hotel & Casino before the false reports of gunfire.

While Bennett said in a statement on Wednesday he was detained "for doing nothing more than simply being a black man in the wrong place at the wrong time,” Las Vegas police undersheriff Kevin McMahill told reporters an officer observed Bennett crouching behind a gaming machine before he ran out of the casino.

“I can tell you as I stand here today, I see no evidence of (racial profiling),” McMahill said. “I see no evidence that race played any role in this incident,”

Following several incidents in which police have shot unarmed black men, body-worn cameras are supposed to be a crucial check on police conduct --- even if the videos don’t always lead to charges and convictions.

Las Vegas police’s body-worn program started as 20-camera trial in 2012. Currently, every officer in the 2,600-officer department that has regular contact with the public is required to wear body-worn cameras. Nevada Gov. Brian Sandoval signed a bill in May that requires all Nevada officers on patrol to use body-worn cameras.

"Bodycams will protect our law enforcement officials and strengthen the relationship with those in the communities in which they serve," Sandoval said in a statement.

The bill states agencies must establish "disciplinary rules for peace officers" who fail to activate body-worn cameras as required.

The Las Vegas Metropolitan Police Department identifies 13 types situations where officers are mandated to activate their cameras and the situation surrounding the events that led to Bennett’s detainment fulfill several:

Person stops: consensual, articulable reasonable suspicion, or probable cause.

All dispatched calls for service involving contact with citizens.

Detentions, investigations pursuant of an arrest, arrests, suspect interviews, and post-Miranda interrogations.

Pursuits.

Any contact that becomes adversarial when body camera had not been activated.

Any other citizen contact or official duty circumstance at the officer’s discretion based on circumstances and reasonableness.

Las Vegas Metropolitan Police Department spokesperson Larry Hadfield told USA TODAY Sports that the department's investigation is examining why officers did not activate their cameras. The department does have video from other officers on the scene as well as footage from security cameras and mobile phones taken by bystanders.

“There are a bunch of different things that go into why a police officer doesn’t turn on and off their cameras,” Steve Grammas, president of the Las Vegas Police Protective Association, told USA TODAY Sports. “You can have malfunctions where wires come loose. It is department policy, but they were in a high-stress incident where it would be understandable why they didn’t turn on the their cameras.”

Like many police agencies, the Las Vegas police use body-worn cameras from Axon, the company formerly known as Taser. Axon introduced technology earlier this year that is expected to ship by month’s end to agencies that will activate the body-worn camera — along with all officers within a 30-foot radius --- when an officer pulls his or her pistol out of its holster.

“That’s something we made a priority,” said Steve Tuttle, Axon’s vice president, of strategic communications. “You hope that activating the camera would become an automatic part of muscle memory, but sometimes, in a spontaneous situation, the cameras (aren’t activated manually).”

McCoy said she has seen something that's all too common in the other video of the incident.

"How many black men who aren't football players does this happen to every day and it gets passed over like nothing happened," McCoy said. "It's both fortunate and unfortunate that this happened. Mr. Bennett's celebrity status gave this issue the visibility and attention to this issue."