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BREAKING NEWS: Update on Jondle murder investigation

POLK COUNTY -- Robbery was reportedly the motive in the slayings of David "Scott" and Marilyn Jondle, Polk County Sheriff's Office said on Wednesday.

POLK COUNTY -- Robbery was reportedly the motive in the slayings of David "Scott" and Marilyn Jondle, Polk County Sheriff's Office said on Wednesday.

Autopsy reports also confirm that the couple's son, Andrew Jondle, used a scythe and metal pipe to kill his parents, the owners and operators of Abundant Life Farm south of Dallas.

Their bodies were discovered at their home on their 210-acre ranch the morning of Aug. 31.

Andrew Jondle, 20, faces two counts of aggravated murder. His girlfriend, Cindy Beck, 46, is accused of conspiracy to commit murder. Both are lodged at Polk County Jail.

The Polk County Sheriff's Office issued the following press release Wednesday afternoon:

"We have been able to establish that both Andrew Jondle, son of the victims, along with his girlfriend, Cindy Lou Beck, conspired the plan to kill the victims in order to get money", Sheriff Bob Wolfe said.

Andrew Jondle went to the property of his parents on Monday night and sometime between 11 p.m. on Aug.30 and 2:00 a.m. on Aug. 31, killed both his parents, taking credit cards and jewelry to use for paying back rent.

The investigation indicates Andrew Jondle acted alone in the attack of his parents.

Autopsy reports confirm the cause of death to David Scott Jondle was from multiple stabs wounds from a scythe. Marilyn Ruth Jondle died from blunt force trauma as the result of being beaten with a metal pipe.

After the homicide, Andrew Jondle returned to his residence in Salem. Detectives located the stolen credit cards and jewelry inside the residence. Cindy Lou Beck told investigators she helped dispose of the bloody cloths worn by Andrew Jondle after he returned to the residence.

Both suspects are currently lodged in the Polk County Jail awaiting arrangement hearings on Thursday, Sept. 2 at 1:15 p.m.