Peteron's easy life behind bars: Scott Peterson is living in what has been described as an 'exclusive' and 'cushy' part of San Quentin prison in California. Above, photos of the man who killed his 8-months-pregnant wife in jail last year. Getting the best of a bad situation: Peterson allegedly lives in a single cell. Above, a general view of the 163-year-old San Quentin prison, which houses the largest death row population of any prison in the country.