Manslaughter Charge Added In Ossining Candidate's Death

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John Mangialardi, of Briarcliff Manor, was reportedly killed by a drunk driver in Ossining Tuesday while hanging election signs. Photo Credit: Courtesy Ossining GOP
Rockland County resident Michelle Sergio, 38, has received an additional charge of felony second-degree vehicular manslaughter, according to Westchester County Police. Photo Credit: Courtesy Westchester County Police

OSSINING, N.Y. -- The driver in the accident involving the death of Ossining Town Justice candidate John Mangialardi has been charged with vehicular manslaughter, police said Friday. 

Westchester County Police charged 38-year-old Michelle Sergio with felony second-degree Vehicular Manslaughter in connection with the death of Mangilardi in Ossining Tuesday night, according to a press release. Police lodged the charge in Yorktown Town Court in addition to the misdemeanor DWI Sergio received earlier this week. 

Mangialardi was reportedly crossing Route 9A from the northeast corner of the intersection when he was struck by a Nissan Altima that was traveling northbound on Route 9A, according to a previous report from Westchester County Police. Mangialardi was "believed to have been at the intersection to erect campaign signs," according to the report. The 55-year-old Briarcliff Manor resident was pronounced dead at the scene.

"Sergio failed a field sobriety test and was taken into custody on a DWI charge at that time," according to the Friday report. "She consented to provide a blood sample. The analysis of that sample confirmed that Sergio’s blood alcohol level was greater than .08 percent, the legal threshold for DWI."

Sergio's case has been transferred to Yorktown Town Court at the request of the Ossining court, according to the report. She is set to be arraigned on the Vehicular Manslaughter charge at 6 p.m. Sept. 10 at Yorktown Town Court. 

Sergio’s bail was recently reduced to $125,000 cash or $250,000 bond, which is down from the bail set Tuesday at $250,000 cash or $500,000 bond.

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Comments (4)


@Francis T McVetty
Your comment is logically disjoint from mine, and is obnoxious.

Just last night a lady pedestrian in dark clothing was crossing route 9 in Tarrytown. I barely saw her, but thank goodness, she saw me and let me go past her without any trouble. My blood alcohol was zero.


Mr. Mangiardi's death was tragic. Let's not add to the heartache by indulging MADD craziness. True drunk drivers have blood alcohol readings over .2 The .08 limit is very low, and the intersection of Route 9A and Chappaquae Rd. is a dangerous place.

Francis T McVetty:

Bill10526, Please tell that to the family of Mr. Mangiardi', I'm sure that will comfort them!!


Very sad case. Lots of questions to be answered. The charge was upgraded and the bail reduced? Witness accounts say he was not visible at the time of the accident. Very saddened for his family and his children and also unfortunately for the driver of the car. The man upstairs works in strange ways. Apparently, it was Mr. Mangiardi's time to go to heaven and perhaps send a wakeup call to all those who get behind the wheel when they shouldn't. Parents take heed....DRINKING, TEXTING AND CELLPHONES DON'T MIX....MAKE YOUR CHILDREN UNDERSTAND THIS PLEASE!

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