A 41-year-old California woman has been charged with murdering her two-year-old son and attempting to make his death appear as an accidental drowning.

Melissa Lynn Beisel was arrested on June 4 in connection with the death of her son, Aidan, according to the Orange County District Attorney’s Office.

On September 22, 2025, police responded to Beisel’s home in Placentia and found her in the shower with the water running, holding the body of her young son. The child was rushed to the hospital but was pronounced dead. Beisel was also taken to the hospital with superficial stab wounds to her neck and arms.

According to investigators, Beisel told police she had been bathing Aidan in a plastic storage bin inside the walk-in shower. She said she briefly stepped away to get soap and returned to find him face down in the water. She claimed she performed CPR, and when it proved ineffective, she harmed herself with a sharp object.

Police reported that Beisel remained in the bathroom with her son’s body for approximately six hours before the child’s father discovered them and called 911. At the time, four other children (teenagers) were also living in the home.

Beisel was initially arrested and charged with involuntary manslaughter and child abuse causing great bodily injury. The death was first investigated as an accidental drowning. However, a later investigation determined that drowning was not the cause of death for the otherwise healthy toddler, and the manner of death was ruled a homicide.

After the incident, Beisel moved to Coarsegold in Madera County. Authorities eventually tracked her down and re-arrested her on murder charges.

Orange County District Attorney Todd Spitzer strongly condemned the crime, stating:

“A mother is a child’s first protector. For a mother to use the very arms that are meant to shield her child from harm to instead physically extinguish the life of a child she created is a depravity which we will never be able to fully comprehend.”

Beisel faces a maximum sentence of 25 years to life if convicted. She is currently being held without bail at the Orange County Jail and is scheduled to appear in court for arraignment on June 30 at the North Justice Center in Fullerton.