Two men pleaded guilty Thursday to distributing and manufacturing methamphetamine which caused the gruesome death of a 24-year-old woman, reported MyFOXKC.com.

John D. Williams, 29, and Benjamin T. Clarkson, 38, both of Kansas City,admitted that while attempting to manufacture meth in their apartment the duo put toxic and dangerous chemicals in unmarked containers in their kitchen, U.S. Attorney John Wood said in a statement.

Carley E. Morris died in October of 2007 after she drank from a bottle containing Iye, a caustic chemical used in meth production, which she thought was Sprite, according to teh Web site.

During a November 2007 search warrant execution of their resident, police discovered a sawed-off shotgun in Williams' bedroom and other items consistent with an operating clandestine meth laboratory, according to MyFOXKC.com.

Williams and Clarkson are both subject to a mandatory minimum sentence of 20 years in federal prison without parole, up to life in federal prison without parole, plus a fine up to $8.5 million.

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