Los Angeles -- Law enforcement authorities and experts say the reasons for the increase in tips and heightened awareness of thwarted mass shootings vary.

In some cases, it’s the so-called “contagion effect” in which intense media coverage of mass shootings leads to more people seeking to become copycat killers. In other cases, it’s a reflection of the general public being more aware of warning signs when a friend or relative or co-worker is in an emotional crisis — and more willing to tip off police.

On average, the Federal Bureau of Investigation receives about 22,000 tips about potential threats of violence weekly.

Following the high-profile shootings during the first week of August in Gilroy, California; El Paso, Texas; and Dayton, Ohio that killed 34 people and wounded nearly 70, the volume of calls to federal authorities increased by about 15,000 each week.

Mass shootings tend to plant the idea of carrying out a rampage or at least encourage the idea in potential mass shooters, each seeking notoriety or striving to “out-do” others with higher death tolls, said sociologist James Densley, a criminal justice professor at Metropolitan State University in St. Paul, Minnesota, who studies mass shootings and the people who perpetrate them.

And the general public in turn becomes more aware of the possibility of mass shootings, heightening people’s willingness to speak out if a friend, relative or co-worker appears to be in the midst of a crisis and plotting carnage, Densley said. In addition, the media focuses not only on the actual shootings, but also on those that are foiled.

But identifying and predicting who the next shooter will be is challenging for authorities, he said.

The reason? Mass shootings remain rare events and there’s no one basic profile for the gunmen. The demographics of school shooters and their motivations are vastly different from someone who carries out carnage in a place of worship. The same holds true for those who carry out workplace shootings.

“When it comes to thinking about the profile of a mass shooter what our research is starting to uncover is there’s not really one profile of a mass shooter,” Densley said.

But the one common thread is that there are usually warning signs in the days and weeks leading up to the shootings, with many shooters taking to social media to vent outrage at whatever is troubling them.

Greg Shaffer, a retired FBI agent who now is a private security consultant specializing in active shooters and terrorism, said in an interview that the challenge for law enforcement is the juggling act of trying to balance the public’s safety while not trampling on Americans’ constitutional rights. For example, at what point does a troubling social media post constitute an illegal threat versus simple venting that’s protected by the First Amendment?

“The real rub is where do you draw the line between First, Second and Fourth Amendment rights?” he said. “We allow hate speech. It’s freedom of speech. Where do you decide that it’s no longer posturing and now it’s a threat? ... At what point do you crash his pad and take away his guns? You can’t be the thought police.”

Shaffer added: “That’s the hard part in law enforcement. You don’t want to trample those ... rights because it’s vital to our institution.”

The other challenge is more practical, said Houston Police Chief Hubert Acevedo. It’s impossible for law enforcement in real time to pore over social media posts and quickly isolate those showing that someone poses a real threat.

“There’s just so much traffic on social media, in cyberspace, that it’s like looking for a needle in a haystack,” said Acevedo, the president of the Major Cities Chiefs Association representing police chiefs and sheriffs for the largest U.S. and Canadian cities.

The public’s cooperation — and their willingness to risk angering a friend, relative or co-worker by informing on them— is key to stopping mass shootings ahead of time, he said.

In Long Beach, California, where police disrupted the possible plans to carry out the hotel attack, Police Chief Robert Luna thanked hotel staff for warning investigators.

“Instead of us visiting each other in hospitals or making funeral plans,” Luna said, “we can talk about the courage you showed.”

Luna said in an interview that his department often handles threats of mass shootings but the Marriott case was unusual because Montoya, a cook upset over human resources issues, had the guns and ammunition to carry out his plans plus equipment authorities believe could be used to make ammunition.

“All the ingredients were there for a catastrophe,” Luna said.

Montoya has been jailed for lack of $500,000 bail and has pleaded not guilty to charges of criminal threats, dissuading a witness by force or threat and possession of an assault weapon. He faces more than five years in prison if convicted.

Luna said after the 2018 school shooting in Parkland, Florida, that left 17 people dead, authorities investigated an increase in threats to Long Beach schools. Officials decided to send detectives immediately to schools — an expensive move the chief said was “absolutely worth it.”

Nothing happened at the Long Beach schools, but Luna said he didn’t want to risk ignoring the threats.

Luna welcomes the increase in tips to authorities about potential mass shooters, saying Long Beach residents have followed the “see something, say something” guidelines and report suspicious behavior to police.

“There are people, thank God, that are speaking up,” he said. “It’s not only ‘see something’ but if you hear something, if you read something, you absolutely have to say something.”

___

Pane reported from Boise, Idaho.


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