I just finished reading the rest of the article. It said possible motive was she had a modest life insurance. I can't imagine anyone killing for a modest insurance, but I guess there are people who kill for even less.
“I can’t imagine anyone killing for a modest insurance, but I guess there are people who kill for even less.”
These are the Findings of Inquest into her death.
Read #52 regarding her life insurance.
http://i.cdn.turner.com/cnn/2008/images/06/23/findings.pdf