SAN ANTONIO -- A Kerr County Grand Jury indicted 16 people Monday in connection with the slaying and identity theft of a Kerr County man.

Charles Lee Tidwell, 45, was indicted on a charge of murder and organized crime. Tidwell was being held in the Kerr County Jail on bonds totalling $600,000.

Tidwell, who was arrested Oct. 22, was originally the only suspect charged in the slaying of 52-year-old Allan Kowalski, whose remains were found buried behind his home in Ingram.

But in a news release from the Kerr County Sheriff's Office, Ricado Ricky Giovannetti, 47, was also charged with murder and organized crime.

Charged with aggravated assault and organized crime were Wayne Earl Christiansen, 35, and Jeremiah Jason McGregor, 31.

Indicted on a charge of organized crime were Teresa Jo Buffett, 43; Elizabeth D. Carmona, 43; Amanda Rassi Contreras, 20; Raymundo Daniel Contreras, 23; Andrea Helen Cooper, 25; Michael Rene Garcia, 25; Richard Alcorta Garza, 39; Silver Star Hernandez, 24; Darita Dee Horner, 20; Kelli Rae Lagrone, 52; John Centeno Moreno Jr., 26, and Lisa Gale Rassi, 41.

Kerr County Sheriff Rusty Hierholzer said the investigation into Kowalski's death is one of the strangest cases he's worked in nearly 30 years of law enforcement.

"They take over his identity, they take over all his possessions, they were even trying to sell his home," he said. "That's when it gets bizarre."

Hierholzer said Tidwell and Giovannetti shot Kowalski twice in the head before burying his body in a shallow grave behind his home. The common bond between all those indicted was their close relationship or friendship with Tidwell, Hierholzer said.

"(Sheriffs investigators) took what were little bitty leads here and went and started following them up and were able to put names with faces," he said.

14 of the 16 indicted are currently in police custody, Hierholzer said, and the remaining two are believed to be in San Antonio. Investigators are still searching for some of Kowalski's property, including a 1960s green Ford Mustang believed to be in the Converse area.

The investigation resulted in the recovery of more than $200,000 worth of item, including vehicles, sheriff's officials said.