text: Former NFL running back Lawrence Phillips is suspected of killing his cellmate in a Central California prison, it has emerged. Phillips, who was jailed in 2005, is serving a sentence of more than 31 years for choking his girlfriend in San Diego and driving his car into three teens after a pickup football game in Los Angeles. On Monday, prison officials revealed he is suspected of killing Damion Soward, a 37-year-old inmate from San Bernardino County serving 82 years to life for a first-degree murder conviction. Nebraska's Lawrence Phillips Phillips is suspected of killing his cellmate in a Central California prison . Soward was found lifeless on Saturday morning in the cell he shared with Phillips, 39, at  Kern Valley State Prison. He was later pronounced dead, prison spokesman Lt. Marshall Denning said in a statement. Phillips was once one of the nation's top college football players at Nebraska. He played for the St. Louis Rams, until being released in 1997 for insubordination. He also played for the Miami Dolphins and San Francisco 49ers. It wasn't clear if Phillips has an attorney. Prison officials said they suspect a second inmate at the prison of killing his cellmate. It's unclear if the two are related. John Munoz, a 24-year-old sentenced to 42 years on for sexual battery and other charges in Los Angeles County, is suspected of killing cellmate, 41-year-old Rattanak Kim, who was serving a sentence of 35-years to life for conspiracy to commit murder in San Diego County. Prison officials are investigating both deaths along with the Kern County Coroner and Kern County District Attorney, prison officials said. Sorry we are not currently accepting comments on this article.
target: Lawrence Phillips, 39, was one of the nation's top players for Nebraska .
  He was jailed in 2005 and sentenced to 31 years at Kern Valley State Prison .
  His cellmate Damion Soward, 37, was found lifeless on Saturday morning .
  Soward was serving 82 years to life for first-degree murder .