A Dover man charged with strangling Elizabeth Marriott to death allegedly told police he killed her during the course of a consensual sex act involving erotic asphyxiation.
Thirty-year-old Seth Mazzaglia, of Dover, is facing first- and second-degree murder charges in connection with Marriott's death. He is accused of strangling Marriott with a rope inside his apartment on Mill Street on Oct. 9, 2012.
Police say after initially lying about the encounter, Mazzaglia admitted to his involvement during an interview at the Newington Police Department on Oct. 12, 2012. His statements to police were recounted in a police affidavit attached to an arrest warrant in the case.
The affidavit was among hundreds of pages of information unsealed Monday at the circuit court in Dover. Foster's Daily Democrat, the New Hampshire Union Leader and The Portsmouth Herald had all petitioned the court for access to the records, which had remained shielded from public view for more than six months.
The release followed Mazzaglia's indictment on murder charges in April by a Rockingham County grand jury.
According to the search warrant affidavit, Sergeant Joseph Ebert of the New Hampshire State Police Major Crime Unit questioned Mazzaglia on Oct. 12. Mazzaglia initially recounted a “variety of stories” about how Marriott died, according to the affidavit, all of which involved BDSM (bondage sadomasochism) exploration “gone too far.”
In one early version of the story, Mazzaglia allegedly told police he arrived home on Oct. 9 and “immediately sensed something was wrong.” Mazzaglia claimed a Rochester couple was present, as well as his live-in girlfriend, Kathryn McDonough, and Elizabeth Marriott. Mazzaglia said he remembered seeing a line across Marriott's throat, and said he believed that “someone had used their hands to manually strangle her,” according to police.
He later allegedly admitted to using a rope to strangle Marriott himself during what he described as a consensual sex act. Mazzaglia said he was playing strip poker with Marriott and his girlfriend on Oct. 9 when the three of them began talking about BDSM, according to the affidavit. Mazzaglia said the conversation “eventually led to a consensual sexual encounter involving autoerotic asphyxiation.” ...