A Discovery Bay man was arrested Saturday after he allegedly threatened to kill his wife and then barricaded himself inside his house for more than two hours, threatening to harm himself and deputies, Contra Costa County sheriff’s spokesman Jimmy Lee said today. Deputies were called to a home in the 1900 block of Windward Point at about 11:25 a.m. to respond to a report of a barricaded suspect, Lee said.The suspect, Karl Sennert, 47, had allegedly pointed a gun at his wife and tried to fire it, Lee confirmed. He also allegedly fired his gun several times inside the home. Deputies, along with the sheriff’s office Marine Patrol Unit set up a perimeter around the house and sheriff’s negotiators attempted to talk Sennert into surrendering. Several times during the standoff, Sennert allegedly stepped outside the back door of his house and pointed a gun at his head. He also allegedly threatened to shoot deputies, Lee said.Negotiators talked with Sennert for almost two and a half hours before he finally surrendered at around 2 p.m., Lee said.He was booked into county jail in Martinez on suspicion of assault with a deadly weapon, making terrorist threats, exhibiting a firearm, shooting in an inhabited dwelling and battery on a spouse, Lee said.He remained in custody today with bail set at 650,000.
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