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Update – Tousignant was charged Tuesday with three counts of unlawful possession of a firearm and three counts of possession of an illegal weapon.  His bond was set at $10,000 cash only.

A potentially deadly plan was thwarted Monday after a “booby trapped” storage unit in Saline County was disabled.  The owner of Stor-All in Marshall reported finding a spring loaded trap on the wall of the unit.  The trap consisted of a board approximately three feet in length which had large screws drilled through it, according to a report from the Saline County Sheriff’s Department.  The trap was designed to swing out when a wire was tripped.  Deputies also reported finding items used to create an explosive device in the unit.  Investigators later determined that the unit was rented by Mark Tousignant, a convicted felon from Minnesota.

During a subsequent search of Tousignant’s home in Marshall, deputies found several firearms and ammunition.  The Missouri State Highway Patrol Bomb Squad confiscated a glass vial with what appeared to be flash powder inside.  The improvised explosive device was safely disabled.  The bomb squad also uncovered two incendiary devices along with road flares, fireworks, and tubes in the home.  Numerous plastic containers of screws, nails, razors, and other metal items that had been bent and sharpened were taken from Tousignant’s garage.

The sheriff’s report also said Tousignant told a deputy he planned to use the explosives on the 4th of July and had “booby trapped” his storage unit because of vandalism.  Tousignant was arrested on charges of unlawful possession of firearms and possession of a prohibited weapon.  He is also wanted in connection to an arson case in Saline County.

Tousignant’s criminal record includes charges of kidnapping, felon in possession of a firearm, and second-degree assault.