The family of a Texas man who died after an altercation with jailers, including one who pinned his knee to the inmate's back, on Tuesday called for a federal investigation into the practices at the jail.

Anthony Johnson Jr., 31, a former Marine, died April 21 after the altercation, which officials said began when Johnson resisted jailers' orders during a search for contraband. The Tarrant County Medical Examiner last week ruled the death a homicide due to asphyxia, or suffocation.

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