Shortly after Scott Peterson was told that badly decomposed remains found in the San Francisco Bay had been identified as his wife and unborn son, he was ready to eat a hearty meal at In-N-Out Burger, a detective revealed in a new Netflix docuseries.

Retired Modesto police Detective Jon Buehler said in American Murder: Laci Peterson, which was released on Wednesday, that he was shocked at Petersons appetite during a pit stop on the drive from San Diego, where Peterson had been taken into custody in April 2003, to Modesto, where he was facing murder charges. Peterson was convicted in November 2004 in the death of his wife, Laci Peterson, who was 8 months pregnant when she disappeared on Christmas Eve 2002.

Though Scott Peterson was already considered a suspect in his wifes death, DNA evidence had not yet confirmed that the remains that washed up on the shore of the San Francisco Bay on April 13 and 14, 2003, were those of Laci and the unborn child, whom shed planned to name Conner. Detectives were in the car with Peterson when the call came in, retired Modesto police Detective Al Brocchini said in American Murder.