work on the tree farm," federal prosecutor Donna Brecker Maddux told "20/20."

Lee also opened up to Raines, telling him about losing her parents and caring for her husband as he died of cancer. She convinced him that her psychic abilities could help him find what he craved the most: companionship and a family. She spent the next two years grooming her mark, becoming his closest friend and confidante. media:31371312

quicklist:2 title: 2006 -- Lee convinces Raines to buy a mansion. text:Lee, seen here, soon had a growing influence over his decision-making. Raines bought her a steady stream of gifts - including a Hummer - and wrote her checks.

Eventually, Lee introduced Raines to her on-again, off-again boyfriend Blancey Lee, and Raines started paying him to work odd jobs around thehouse.

By 2006, Rachel Lee had established herself as an authority on Raines' bookkeeping and personal finance, and convinced him to purchase a $915,000 home in Portland as an investment.

"She also let him know that it could be a place for her, and some of her family members to live while they waited to sell it," Maddux said.

While Raines and his aging father stayed on their tree farm, Rachel Lee moved in to the mansion with Blancey Lee and four of her five kids.

Later that year in October, Raines' father suffered a stroke and needed 24-hour care, so Rachel Lee offered to become his caretaker.

At one point, Rachel Lee moved Raines' ailing father into the Portland home. But while she, Blancey Lee and their extended family occupied bedrooms, Raines'