Should cops see body cam video before giving use-of-force statements?
Article reprinted from Force Science News #330.
   
 
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Departments must actively educate communities about the surprising realities of video footage

Article reprinted from Force Science News #330.

A recent webinar on the question of whether officers should be allowed to review body cam video before giving statements on use-of-force incidents featured a spirited clash of opinions among two law enforcement lawyers and a forensics expert, but in the end offered agreement on two critical points:

1. To avoid potentially damaging pitfalls, officers and their attorneys need special expertise about the nature and limitations of video recordings, regardless of when they’re viewed;

The popular belief is that cameras capture exactly what happened at the scene they’re recording. But in truth, video images can be significantly deceptive because there literally is more to them than meets the eye. (Photo/Rialto PD)
The popular belief is that cameras capture exactly what happened at the scene they’re recording. But in truth, video images can be significantly deceptive because there literally is more to them than meets the eye. (Photo/Rialto PD)

2. Departments must be actively educating their communities now about the surprising realities of video footage to preserve trust in the face of future controversial episodes.

The webinar, Point/Counterpoint: The Debate over Officer Viewing of BWC Video Footage, was presented by Lexipol, a prominent public safety risk management and policy consulting group.

The roundtable participants were Ken Wallentine, an attorney and supervisory special agent who directs the Utah Attorney General’s Training Center; Laura Scarry, an attorney and former police officer who specializes in defending law enforcement officers and their agencies; and Grant Fredericks, a former Canadian officer and a certified Forensics Video Analyst.

Here are some highlights of their exchanges.

Video footage is a common, but flawed, source of evidence

These days Fredericks states, “Video images are more common in serious criminal investigations than any other source of evidence – more than DNA, fingerprints or eye-witness testimony.”

The popular belief is that cameras capture exactly what happened at the scene they’re recording. But in truth, Fredericks emphasizes, video images can be significantly deceptive because there literally is more to them than meets the eye.

In the webinar, he used compelling footage from actual cases to demonstrate a few of the scientific shortcomings of body cams, dash cams and surveillance cams that UOF investigators commonly are unaware of.

He explains that all modern digital video footage is “encoded using various forms of compression,” a process that reduces data size but “fools the human eye.” Because of compression a camera may appear to have recorded continuous action when, in fact, some of what appears to be new images is actually repeated footage “stolen” from previous recordings.

Moreover, some action that occurred may be omitted entirely from what a viewer sees later, Fredericks says. When images are dropped but gaps are not immediately obvious, the footage “can give the illusion of increased levels of force that didn’t exist” at the scene. In short, a distorted and false record of what happened is created but not easily detected.

Without a working knowledge of such sophisticated forensic techniques as “macro-blocking analysis” and “time tree analysis,” it can be impossible to “identify the reliable images and ignore the images that are not reliable,” Fredericks says.

It’s been his experience, he says, that officers can easily “misinterpret” video of force events they’ve been involved in. “They don’t want to be perceived as lying,” so if the video seems to contradict what they remember, “they’ll change their memory to accommodate the video.”

Heightened vulnerability

Wallentine picks up on this concern in arguing that letting officers see their video before giving a statement merely sets them up for trouble “by making their entire account of the incident vulnerable” to damaging scrutiny.

“Inevitably they’ll be asked by plaintiffs’ attorneys, investigators, and the media, ‘Are you relating perceptions of the event at the time you used force or are you giving a version you believe is supported by the recording?’ There is almost no way for officers to prove the former,” he claims.

“Once they’ve viewed a video, they can’t unview it. They may see something on the video that is contrary to their perceptions and feel pressured to change their account. This makes them vulnerable to accusations they are lying. If they merely relied on their perceptions of the situation, they would be in a better position in court.

“Training can help cops be more comfortable testifying to what they remember, while being fully aware that video may depict something else. It is so innocent not to remember something perfectly. That fact needs to be impressed again and again on cops. Training should help officers admit without feeling funny that they don’t really know what all they saw at the time [of the incident] or precisely what they processed.”

In defending a pre-statement viewing position, Scarry emphatically disagrees regarding enhanced vulnerability. Seeing video before giving a statement “will result in a statement that is much more difficult to pick apart in court,” she insists.

Even with video’s acknowledged shortcomings, she says, watching footage “allows the officer to review the incident in a more controlled environment in which he or she no longer experiences the distorted sensory perceptions that take place during a critical incident.” This can aid the officer’s recollection and “assist in obtaining the truth of what occurred.”

The officer then has a chance to address contradictions, differences in perception or memory gaps at the time the statement is taken.

“It is much better that an officer’s first and only statement address all issues,” Scarry argues. “That’s a lot better than having an officer make errors and then in a ‘Gotcha moment’ in court have to say, ‘Oops, I guess I got it wrong.’”

She adds that investigators taking an officer’s statement should make clear that the officer “should be as candid as possible about any differences” that he or she perceived at “the moment of executing a force option decision,” compared to what he or she perceives during a video review.

Anticipate public opinion

Allowing officers to preview video, Wallentine posits, “can contribute negatively to police/community relations and to a department’s respect for transparency and legitimacy. Public confidence can diminish if citizens perceive that an officer’s statement is tailored to the video rather than a recall of perception.”

Scarry counters: “Police/community relations rest on far more” than an officer viewing video of any singular incident. “Having a clear policy in place, educating citizens ahead of time about the policy, communicating clearly in the event of an officer-involved shooting – these all are essential and will help overcome any negative feelings associated with letting an officer watch a video.

“How an agency communicates about what is seen on body-worn camera video is far more important than the timing of an officer’s viewing. The agency’s transparency about how it handles the video and how it reached that decision and its willingness to engage the public’s perception [are what] build trust.”

Guidelines need to constantly evolve

Scarry points out that the policy Lexipol currently recommends is not a rigid dictum but is “still evolving.” She quotes it this way: “Any officer involved in a shooting or death may be permitted to review available video or audio recordings prior to providing a recorded statement or completing a report.”

The qualifier “may be” makes this policy “permissive, not restrictive,” Wallentine observes. “It allows for a case-specific determination [that’s] nimble, agile, and customizable” and accommodates possible input from outside parties like a district attorney or independent investigative agency that may have a critical role in the case at hand.

A possible “compromise” policy, the debaters agreed, would mirror the approach Fredericks strongly believes to be the best. First, the involved officer gives a statement “to the best of his memory and ability.” Then, after being cautioned about the limitations of recordings and ideally with the assistance of a knowledgeable professional, he views video of the event. Then he is asked to “fill in gaps” by commenting on elements “that may not be consistent” with his memory.”

Training is key

The unequivocal point of agreement among the webinar’s participants is succinctly stated by Wallentine: “Cameras without proper training are a recipe for disaster.”

He supplements Fredericks’ demonstrations of often-unrecognized video shortcomings with a litany of his own: “Cameras don’t track with an officer’s eyes. They don’t capture tactile cues, such as when a suspect flexes muscles and starts to resist. They don’t reveal a suspect’s prior history known to the officer. They don’t record at the speed of life. They don’t capture images in 3-D or represent distances accurately. They don’t accurately reproduce what the human eye sees, and they don’t reproduce the subjective fear an officer feels.”

Without training to detect and assess the impact of such factors, a UOF video may appear skewed to an officer’s severe disadvantage. Absent special analysis skills, in Fredericks’opinion, the “average LEO is not qualified to interpret video evidence.”

In addition to strengthening the expertise of agency personnel, the webinar panel expresses the hope, in Scarry’s words, that “agencies are educating their community about the scientific nature of body-worn cameras and other methods of gathering video surveillance,” as well as the nature of human memory of high-stress encounters.

This is “absolutely mandatory,” Wallentine says, as part of the effort to keep the public from rushing to judgment about UOF encounters.

Additional points of debate

The roundtable participants also debated a number of other topics:

• Whether permitting an officer to preview video violates the spirit of the Supreme Court’s Graham decision, which cautions against bringing “20/20 hindsight” to a UOF evaluation;

• Whether previewing constitutes an unfair special privilege for officers that is not extended to suspects and key witnesses;

• Whether officers should be entitled to preview relevant video from all cameras, including cell phones and surveillance units that are known to have recorded the action in question.

The purpose of debating these and other webinar topics is not to “solve” the controversy about previewing, explains moderator Shannon Pieper, Lexipol’s marketing communications director. Instead, the aim is to “explore different perspectives” to arm stakeholders “with information to consider when making their own decisions” about training, practices, and effective written policies.


About the participants

Ken Wallentine is an attorney and supervisory special agent who directs the Utah Attorney General’s Training Center. He is a certified Force Science Analyst and a current student in the Advanced Force Science Specialist program, as well as a consultant and senior legal advisor for Lexipol.

Laura Scarry is an attorney and former police officer who specializes in defending law enforcement officers and their agencies in litigation for her law firm DeAno & Scarry in Chicago. Also an attorney for Lexipol, she is an instructor for Force Science Institute courses on Force Science Analysis and on Body Cameras & Other Recordings for Law Enforcement.

Grant Fredericks is a former Canadian officer and a certified Forensics Video Analyst who heads the firm Forensic Video Solutions in the Spokane, Washington, area. A contract instructor in video analysis at the FBI National Academy, he has testified as an expert witness on video-related matters in more than 150 cases in North America and abroad.

For more information on Lexipol, see www.lexipol.com.

Thanks to Lt. Glen Mills of the Burlington (Mass.) PD and president of the Massachusetts Assn. of Crime Analysts for helping to facilitate this report.



Comments:
Why not! After all law enforcement lives are on the line as first responders!
Posted by Big Al at 9/6/2017 12:42:45 PM

Not gonna happen. U cant give the accused access to the evidence before it's logged into record.
Posted by udonsay at 9/7/2017 2:25:44 PM

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