SAN ANTONIO - Officials have confirmed the cause of death of a mother at the center of an AMBER Alert back in March.

Savannah Kriger was found dead in the early morning hours on March 18, along with her 3-year-old son Kaiden at a West Side park.

RELATED: Bodies of missing mother, 3-year-old son found at Tom Slick Park, murder-suicide suspected

The Bexar County Medical Examiner's Office confirmed that Savannah Kriger died by suicide. Kaiden's death was ruled a homicide. Medical examiner said he died by a gunshot to the head.

The Krigers' disappearance began on the evening of March 17 when deputies conducted a welfare check at their home. With Savannah unreachable by phone, a sense of unease grew. Authorities located Savannah's car abandoned at Tom Slick Park on the West Side. This discovery led the search to focus on the park area.

RELATED: 3-year-old boy's death ruled a homicide, died from gunshot wound to head

Sadly, park police found the bodies of both Savannah and Kaiden in a nearby ditch.

Bexar County Sheriff Javier Salazar revealed that Savannah and Kaiden's father were involved in a custody dispute. The investigation found evidence suggesting Savannah left work early to pick up Kaiden from daycare, their last confirmed sighting.

It is unclear how this case moves forward.

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