A Queens man has been sentenced to 16½ years in prison for beating his wife to death with a baseball bat.

District Attorney Richard A. Brown says 57-year-old Isaiah Smith of Queens Village was sentenced Thursday.

He pleaded guilty to manslaughter in September.

Tiffany Pettiford was attacked in their home on June 8, 2010. She was 28.

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Reexamining a cold case mystery ... Gillen heads to Washington ... Get the latest news and more great videos at NewsdayTV

Get the latest news and more great videos at NewsdayTV Credit: Newsday

Reexamining a cold case mystery ... Gillen heads to Washington ... Get the latest news and more great videos at NewsdayTV

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