A Tucson woman accused of killing her ailing 4-year-old son with table salt in 2015 has pleaded guilty to second-degree murder.
Pima County prosecutors say 35-year-old Ashley Castro reached a plea agreement in the case Monday.
They say Castro is facing up to 25 years in prison when she’s sentenced on Sept. 30.
Castro was arrested on suspicion of first-degree murder after her young son died at a hospital in November 2015.
Authorities say Ezekiel Castro was being treated for a heart condition at the time.
Tucson police say Ashley Castro admitted to giving her son a mixture of salt and water that she carried for use as a mouthwash.
Authorities say the high level of sodium put the child in critical condition, leading to several hemorrhages and a stroke.
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