"Claire seems to be the prime suspect for taking everything else that isn't nailed down," Dean offered.
As for Luke the Fluke, he sounds like John Luke Grasso to a tee and a prime suspect for killing my friend's sister.
She questioned how the investigation was proceeding and her pointed questions forced him to admit he was the prime suspect.
When a person dies, the prime suspect is always the surviving spouse.
Professor Robert Langdon (Hanks) is lecturing in Paris when he becomes the prime suspect in a murder case.