Disclaimer: All persons are presumed innocent until proven guilty.

SHREVEPORT, La. (KTAL/KMSS) – Former Shreveport news anchor Bill Lunn, who also served as KTBS's news director, is the subject of an ongoing investigation by the Shreveport Police Department.

The investigation was sparked due to the efforts of three local men who say they have made it their mission to catch men trying to have sex with underage girls.

"What we do is like we catch child predators," said Antonio Coleman.

On Monday, Coleman, along with his cousin, Kameron Kennon, and longtime friend, Kataurio Grigsby, showed NBC 6 News' Dan Jovic the evidence they have provided to police and shared a first-hand account of what they say unfolded on Wednesday, May 29.

The trio are self-described predator hunters. For a little over three weeks, they have been pretending to be an underage girl online in an effort to "catfish" local men who are allegedly trying to meet up for sex.

Catfishing is when a fake online identity is created to trick others and strategically gain their victims' trust.

"It's just crazy how fast, like how fast, they are willing to meet young females," said Kennon. "It's crazy."

The trio says they were surprised by their efforts last Wednesday. That day Shreveport Police received a call at 11:04 a.m. The call came from Bill Lunn.

According to Shreveport Police and a call for service report obtained by NBC 6 News, Lunn claimed he was the victim of an assault and battery. But a case report on the alleged incident paints a different story. According to that report, the alleged offense was not for assault and battery but rather for computer-aided solicitation for sexual purposes.

Coleman says they are the reason why.

"As soon as he has seen us, he just darted out," said Coleman.

They created a fake "Meet me" profile of an underage girl. They say they then wait for men to like the profile and spark a conversation. They say Lunn initiated a conversation May 28.

"They had a little conversation going on, and he asked how old she was. The 'girl' told him she was 15 years old," said Coleman, who says he was playing the role of the girl online.

Coleman says he and Lunn exchanged dozens of text messages over the next several hours. He says the conversations quickly turned to sex.

"He was like sending pictures to her. He was saying like he wanted to do this to her," said Coleman. "Explicit things that I can't say on camera."

Coleman checked the phone number he was texting with; it was the same number Lunn lists on his LinkedIn profile.

On Monday, NBC 6 News was shown images in the text message chain allegedly sent by Lunn displaying sexually explicit photos of himself. According to Coleman, Lunn set a meeting date for the 29th.

"He came on his lunch break from work to come meet her," said Coleman.

According to Coleman, when Lunn arrived at their designated meeting spot, the trio jumped out, informing Lunn of what was happening.

"You could see the guilt in his eyes. He knew like, 'Oh, I'm done,'" said Coleman.

They say Lunn ran and later called Shreveport Police, claiming that he was the victim of an assault and battery.

Coleman, Kennon and Grigsby waited for police to arrive. Hours of questioning followed. The call for service report shows Shreveport Police spent four hours and 21 minutes at the scene. According to the men, Lunn was handcuffed in the back of a police vehicle for hours.

All parties were released from the scene with no charges filed.

Shreveport Police say there is an active investigation into Lunn based on the events of that day.

NBC 6 News tried reaching out to Lunn to get his side of the story. Our call went unanswered and was not returned.

"As Bill was running off, he yells, 'I have a wife and kids,'" said Grigsby. "I'm sitting there as he's running off, like in my head, how can you say that when you literally walked yourself in the house expecting to meet an underage teenager."

Lunn resigned on Monday morning from both of his roles at KTBS. His profile was immediately scrubbed from the station's website.

Calls to KTBS management regarding the incident have gone unanswered.

Coleman, Kennon, and Grigsby say they have allegedly caught 10 men in just the span of three weeks through their vigilante efforts.

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