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Boyfriend of Kathleen Moore charged with second degree murder, Pasco County sheriff says

The Pasco County Sheriff's Office says Moore's on-again off-again boyfriend was charged with second-degree murder.

NEW PORT RICHEY, Fla. — The Pasco County Sheriff's Office has made an arrest in a homicide case recently profiled in an episode of our ongoing YouTube series "The Missing."

Kathleen Moore, 34, vanished after a night out with friends in Largo. Those who knew her called authorities when she didn't show up at work or school.

According to Sheriff Chris Nocco, Collin Knapp, 30, has been arrested and charged with second-degree murder. Knapp and Moore had been in a relationship on and off over the past five years, according to Nocco.

The sheriff says between 10 and 11:30 p.m. on Nov. 28 Knapp and Moore left their friends in Largo while arguing with one another. At around 12:30 a.m., the sheriff says Knapp stopped at a 7-Eleven in New Port Richey to buy cigarettes. Nocco says Knapp claimed Moore was with him, but the sheriff says there was not enough video evidence to prove that. 

Almost an hour later, and the sheriff says Knapp went to his job at Harold Seltzer's Steakhouse in Port Richey to do inventory. Investigators would discover that Knapp brought clothes with him and tossed them into a dumpster.

After digging through a landfill, Sheriff Nocco says deputies discovered Knapp's clothes with blood on them. The Florida Department of Law Enforcement would match that blood to Moore. 

Sheriff Nocco says Knapp was arrested Monday afternoon but there is still vital information law enforcement needs. They received one piece of that information on Dec. 7 when Kathleen Moore's body was located in a wooded part of New Port Richey.

The sheriff had previously said, despite repeated questioning, Knapp would not provide the location. The body was eventually discovered by someone walking in the area of Carmel Avenue. 

Investigators are asking if anyone saw a black 2006 Cadillac with the Florida license plate Z917XC or a black 2004 Chevrolet Silverado with a Florida license plate QXLT69 between Nov. 29 and Nov. 30 to call authorities.

The sheriff's office says it will be releasing more information to aid in the investigation and asked anyone with a tip to contact authorities at 727-847-8102. 

Credit: Pasco County Sheriff's Office