Daniel Ruiz, 23, is being held without bail at the Central Detention Center.
Sheriff's deputies from the Hesperia station responded to the 17300 block of Olive Street at 10:45 p.m. Wednesday after receiving a call about a medical aid. When they arrived, deputies learned that a 1-year-old had been transported to Desert Valley Hospital because the child had difficulty breathing. The infant was pronounced dead a short time later.
Detectives said they launched an investigation and discovered that the child suffered injuries while in Ruiz's care. Ruiz was questioned and later arrested.
Anyone with information about this case was asked to contact Det. Mauricio Hurtado or Sgt. Trevis Newport at (909) 387-3589.