Via NBC News

A Dallas police officer who allegedly entered an apartment that she believed was her own and fatally shot the resident was arrested Sunday for investigation of manslaughter.

Amber Guyger, 30, a four-year veteran with the Dallas Police Department, allegedly went into the wrong apartment in her building last Thursday night and fatally shot Botham Shem Jean, a 26-year-old native of the Caribbean island of St. Lucia.  

Guyger, of Dallas, was arrested in Kaufman County and booked into the Kaufman County Jail, the Texas Rangers said in a statement.

Guyger was released Sunday night on $300,000 bail, NBC Dallas-Fort Worth reported.

The shooting just before 10 p.m. local time (11 p.m. ET) at the South Side Flats, an upscale apartment building south of Dallas’ downtown, occurred when Guyger was off-duty, police said.

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Related:

Dallas cop charged with manslaughter after killing neighbor in his apartment [boingboing.net]

Dallas officer Amber Guyger charged with manslaughter after killing neighbor in his apartment [usatoday.com]