32yrs old Danielle Geier and 39yrs old George Ishler, thought they both featured in Ronald Bettig’s last Will and Testament, so they wont him gone to enable them get part of his wealth.
According to The News, cops found the body of the media studies prof in a quarry in Centre County, Pennsylvania, US, on Wednesday.
The 56-year-old, who taught at Pennsylvania State University was friends with the pair.
Geier and Ishler were "known drug users" according to police. They are accused of killing Bettig for the benefits, and authorities said Geier was sharing his home, according to the Centre Daily Times.
In court documents it stated the pair had originally plotted to have Ishler drown Bettig when they went to Rehoboth Beach in Delaware.
They later decided another option, which was was to kill him at the Centre County quarry.
A text which Geier sent while on the ocean trip read: "So ready I am pissed off." Police interpreted it to mean she was ready to kill Bettig because he had commented on the way her son was being raised.
The pair convinced Bettig to travel to the quarry claiming they could harvest marijuana there, then allegedly pushed him to his death.
Geier confessed to police they staged it to make it look like the professor was there alone, putting his bottles, flashlight, hand rake and a bag near the quarry.
They then reported him missing three days later. He was last seen on August 12 and they reported him missing on August 15.
Their plot was revealed when there were inconsistencies in their story - court documents said they told cops Bettig may have travelled to California.