St. Mary

Jan 31, 2014 3:12 PM by Ian Auzenne

Fallen officer Riggenbach's family sues sheriff, suspect

The wife and children of a fallen Chitimacha police officer are suing the St. Mary Parish Sheriff Mark Hebert and the suspect in the officer's death.

St. Mary Today originally broke the story of the lawsuit.

Sgt. Rick Riggenbach's family claims in the wrongful death lawsuit that the sheriff's office knew that Thibodeaux suffered from "grave mental disorders" and "made threats against the Cypress Bayou Casino and Sargent (sic) Riggenbach" while being arrested on January 22, 2013 on a disorderly conduct charge.

The plaintiffs claim that despite this knowledge, Thibodeaux was released on January 24, 2013.

Two days later, Thibodeaux allegedly shot and killed Riggenbach when he responded to a call of a shooting and arson at a home on Chitimacha land.

The suit says Thibodeaux killed Riggenbach in "execution fashion" after wounding him and disarming him of his weapon.

The suit states that the fatal shots were fired after two sheriff's deputies--who had also been shot--fled the scene and after the sheriff's office issued a stand down order to other deputies in the area.

Thibodeaux is scheduled to go on trial for the attempted murder of the St. Mary Parish sheriff's deputies on March 17. No trial date has been set for Thibodeaux in Riggenbach's murder.

KATC reached out to the St. Mary Parish Sheriff's Office, who declined comment on the pending litigation.


» There are multiple updates to this story. Please click here to get the latest information.


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