A 20-year-old Maryland man has been arrested for the death of a 54-year-old Upper Macungie Township woman, whose body was discovered Sunday in South Whitehall Township.

Caleb Gregory Barnes, a U.S. Army specialist 4 stationed at Fort Meade, Maryland, was arraigned Monday on homicide charges in the death of Cheryl L. Silvonek.Silvonek was from Jim Thorpe, and her husband, David Silvonek, was from Lehighton.According to an affidavit of probable cause obtained from District Judge Michael Faulkner's office, Upper Macungie police were dispatched at 4:15 a.m. Sunday for a suspicious vehicle with a large quantity of blood inside parked across from a home at 5702 Hassadahl Road, Orefield.The affidavit states prior to Upper Macungie police arriving, it was determined the vehicle was in South Whitehall Township, and South Whitehall police were dispatched.The vehicle was no longer at the Hassadahl Road location when South Whitehall officers arrived.According to Upper Macungie Township Detective Adam Miller and South Whitehall Township Lt. Michael Sorrentino in the affidavit, while on location, South Whitehall police saw the ground with loosely packed dirt and snow had been disturbed and the scene was immediately secured for further investigation.At 5:55 a.m., Sorrentino determined a body, later identified as Silvonek, was buried there.He notified the Lehigh County Coroner's Office and District Attorney's office, the affidavit states.Vehicle foundSouth Whitehall police located a vehicle matching the description of the suspicious vehicle, partially submerged in a pond in the area of Applewood and Huckleberry roads.The vehicle, a green 2007 Ford Freestyle, which had a large quantity of blood inside, was registered to David L. Silvonek, of 1516 Randi Lane, Orefield.Miller and Sorrentino state in the affidavit, officers responded to the Randi Lane home, where they spoke with David Silvonek and found a 14-year-old girl in an upstairs bedroom with Barnes.The teen, who was interviewed by police, admitted to having a sexual relationship with Barnes on two occasions within the preceding 24 hours, according to the affidavit.According to Miller and Sorrentino, David Silvonek, the teen and Barnes were taken to the South Whitehall Township Police Department where they were interviewed.During the interview, Barnes allegedly admitted he stabbed Cheryl Silvonek in the neck inside her vehicle while it was parked at the Randi Lane home.Barnes then told police, he and the teen took Cheryl Silvonek's body in the Ford to the Haasadahl Road location, where he buried her.He and the teen then drove to the Applewood and Huckleberry roads location to dispose of or hide the vehicle before walking back to the Randi Lane home.Barnes admitted to having sexual relations with the teen, the affidavit states.At a press conference on Monday, Lehigh County District Attorney Jim Martin said a resident near the Haasadahl Road location was awakened at 4:04 a.m. by his dog barking.He noticed the Ford parked the wrong direction on the roadway and went for a flashlight.Looking inside, he noticed a large quantity of blood on the console, dashboard and rearview mirror.He went back to his home and called police.Alcohol, bleach and wipesMartin said before 2:30 a.m. Barnes and the teen drove to the Walmart in Lower Macungie Township and purchased alcohol, bleach and bleach wipes.Lehigh County Coroner Scott Grim ruled Silvonek's death a homicide and the cause to be multiple sharp forced stabbed wounds to her neck.Silvonek was pronounced dead at 7:30 a.m. Sunday in the wooded area where her body was buried on Haasadahl Road, according to a press release from Grim's office.She was killed after 12:01 a.m. on Sunday, Grim said.Martin said the investigation suggests Barnes and the teen met several months ago at a concert.Cheryl Silvonek apparently became aware of the relationship between her daughter and Barnes about a week ago.According to Martin, David Silvonek did not know about the relationship and he was unaware of his wife's death or that she was not in the home until police arrived at his home.Martin said Cheryl Silvonek accompanied her daughter and Barnes to an Eric Church concert in Wilkes-Barre on Friday.Barnes, who was on a weekend pass from the Army and scheduled to return to Fort Meade 8 p.m. Sunday, has also been charged with one count statutory sexual assault of a juvenile and abuse of a corpse, Martin said.According to Lehigh County Court records, Barnes was denied bail and is being held in Lehigh County Prison awaiting his preliminary hearing scheduled for Friday.Silvonek's 14-year-old daughter is also facing charges of abuse of a corpse, tampering with evidence and hindering apprehension in the death of her mother.