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Husband allegedly kills wife with sword even though gun found at scene

Man told police when they arrived: ‘I had a horrible night.’

Mark Thibault told police that he "killed someone he thought was his wife."
Mark Thibault told police that he "killed someone he thought was his wife." (WPLG)

HOMESTEAD, Fla. – While there was a handgun retrieved at the deadly scene of a crime where a Homestead man is charged with killing his wife, the murder weapon used was a sword, according to police.

Mark William Thibault, 53, confessed to killing 56-year-old Rachel Thibault on Tuesday, according to the City of Homestead police.

On Tuesday, police went to a home in the 500 block of Southeast 21 Lane after a relative called police to say that he had received a call from the defendant who confessed to killing his wife.

The relative, who said he lived in Tallahassee, told police that Thibault told him that the two started to have a verbal fight, which escalated into something more physical. During that confrontation, the defendant struck the victim’s head against a bathtub and stabbed her with a sword, he told the relative.

When police arrived at 6:12 p.m., they knocked on the door of the home and Thibault answered. Police said he "spontaneously stated: ‘I had a horrible night. I’ve been in a fight with someone who I thought was my wife.’ "

A handgun was found and taken from the scene. Thibault was transported to the Miami-Dade Police Department Homicide Bureau, where he was interviewed by homicide detectives.

Miami-Dade Fire Rescue responded to the home and pronounced the victim dead at the scene at 6:40 p.m.

Thibault was then taken to the Turner Guilford Knight Correctional Center where he is being held on a charge of second-degree murder with a deadly weapon.

About the Author:

Michelle F. Solomon is the podcast producer/reporter/host of Local 10's original, true crime podcast The Florida Files and a digital journalist for Local 10.com.