A Walmart employee in Nebraska helped a woman escape her boyfriend in a harrowing case of domestic violence where he strangled her and prevented her from escaping his control, authorities say.

Justis Barnhouse, 31, has been charged with assault by strangulation and third-degree domestic assault , the Gage County Sheriff's Office announced in a press release. The successful escape occurred on Tuesday.

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The suspect's girlfriend, 16 years his senior, wanted to return to her home in Kansas — Nebraska's southern neighbor — for two days, authorities say. Barnhouse, however, would not let her leave and get her belongings "from the camper," authorities said.

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