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Deputies: Pasco man's killer upset by girlfriend's relationship

Brendan Michael Sigismondi, 32, is charged with the murder of Thomas Christopher Blow and domestic battery. [Courtesy of Pasco County Sheriff's Office]

Brendan Michael Sigismondi, 32, is charged with the murder of Thomas Christopher Blow and domestic battery. [Courtesy of Pasco County Sheriff's Office]

PORT RICHEY — Deputies arrested Saturday a man they believe battered his girlfriend before fatally stabbing a sexual partner of hers, according to reports.

The Pasco County Sheriff's Office charged Brendan Michael Sigismondi, 32, with the murder of 36-year-old Thomas Christopher Blow and domestic battery of an unnamed woman.

The woman told deputies she and Sigismondi were in a romantic relationship and have lived together for nearly two months. She told deputies she was in a sexual relationship with Blow as well as her boyfriend. Sigismondi had told her, "You know I'm going to kill Tom, right," according to the Sheriff's Office report.

After 1 a.m. Saturday morning, Sigismondi grabbed her hair and dragged her into her bedroom, deputies reported.

Sigismondi later told deputies he was upset about the relationship between Blow and his girlfriend and walked out his front door with a knife, seeing Blow outside, according to the report. He said he approached him and Blow punched him in the head. Sigismondi then stabbed Blow once with the knife, deputies reported, and fled.

A passerby found Blow lying in the middle of Embassy Boulevard, east of Regency Park, about 2:30 a.m., and flagged down a Sheriff's Office cruiser. After unsuccessful attempts to revive Blow, paramedics pronounced him dead at the scene, according to the Sheriff's Office.

Deputies took Sigismondi into custody around 10:45 p.m. Saturday and booked him into the Pasco County Jail early Sunday.

Deputies: Pasco man's killer upset by girlfriend's relationship 08/27/17 [Last modified: Sunday, August 27, 2017 4:28pm]
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