Kerns, 26, of Berkeley Springs, was convicted in Bare's death along with Jason M. Payne, 27, of Berkeley Springs.
Payne was convicted in May of second-degree murder and received the maximum sentence of 40 years for the crime.
Jerome W. Smith, 25, of Frederick County, Va., entered a guilty plea to second-degree murder in the case, and it was accepted last week. He will be sentenced May 18 at 10:30 a.m.
Kerns, Payne and Smith are all first cousins, said Morgan County prosecutor Debra MH McLaughlin.
"They were all murderers," she said in her closing remarks.
On or about Sept. 2, 2004, Bare was murdered at a Potomac River campsite in Morgan County, W.Va.
According to witness testimony, Kerns was involved in credit card fraud, and was afraid Bare was going to tell Deputy Timothy Stapleton of the Morgan County Sheriff's Department.
Bare's remains were not found until April 2006, when John Gue, a close friend of Kerns, told Stapleton where to find them. Gue said Kerns told him right after the murder but he did not want to believe him, but then "my conscience got the best of me," Gue testified last week.
McLaughlin told the juryÂ that Kerns and Gue had an intimate relationship and that the "relationship explains why Gue kept the secret."
According to testimony, Kerns picked up Smith and Bare and took them to the campsite. Kerns started a fire in the fire pit, they drank a lot of Jim Beam and Bare fell asleep. Payne and Amanda Kerns Ekatah, Kerns' sister, arrived later, separately.
Ekatah testified when she arrived, Kerns told her "they were going to kill Keese."
She said they woke Bare up, Payne and Kerns were on either side of him, and Smith was behind. Smith then slit his throat.
They let go of Bare and he ran toward the fire pit. Kerns stabbed him and Payne beat him with a baton, she said.
The men then put Bare on the fire and put wooden pallets on top of him.
Ekatah was nine months pregnant at the time of the murder. She said she did not talk to the police because she was afraid of her brother and Payne.
Judge Gina M. Groh of the 23rd Judicial Circuit said post-trial motions and Kerns' sentencing hearing will take place Monday, April 6 at 1 p.m.Â in Morgan County Circuit Court.