Experts say the internal temperature could have reached 143°F
Maya Hernandez, 20, is accused of leaving her two sons strapped in their car seats on June 29
When she returned to her 2022 Toyota Corolla hybrid around 4;30 p.m., Amillio was foaming at the mouth, convulsing, and unresponsive
His body temperature had reached 107°F, and he was pronounced dead shortly before 6 p.m
The 2-year-old brother survived and has been placed in protective custody
Hernandez told police she left the car running with the AC on
Investigators learned the car’s automatic shut-off feature kills the engine after one hour
Hernandez pleaded not guilty to involuntary mansl*ughter and child cruelty
She is being held on more than $1 million bail and is due back in court Friday for a pre-preliminary hearing
