Sean Vincent Gillis (born June 24, 1962) is an American serial killer and sex offender who murdered eight women in and around Baton Rouge, Louisiana, from 1994 until his arrest in April 2004.

He left her body there at her residence, St. James Place (an exclusive retirement home in Baton Rouge).

After killing her, he put her nude corpse into the trunk of his car, a white Chevy Cavalier, and left it there until dumping it two days later.

Gillis continued killing for five more years, the murders unconnected and his presence unknown to law enforcement.

[5] More attention was paid to cold cases of murdered women when another serial killer, Derrick Todd Lee, was apprehended on May 27, 2003.

Lee began his killing in 1992, but between 1994 and 2003, there were two other serial killers silently and secretly targeting women in the Baton Rouge area.

Her body was found on February 27, 2004, in a drainage canal near Ben Hur Road, south of Louisiana State University in Baton Rouge.

[4][7] After his arrest, police found 45 digital pictures, downloaded to his computer, of Johnston's mutilated body, as well as photos of her corpse in the trunk of his car.

Initially, he was arrested and charged for the murders of Katherine Hall, Johnnie Mae Williams, and Donna Bennett Johnston.

He stood trial for these crimes on July 21, 2008, and he was found guilty and sentenced to life in prison after the jury deadlocked in the penalty phase.