A mother from Georgia kills two adult children herself a few days after writing "I could not ask for better children"

Georgian police are investigating what prompted a 58-year-old woman to fatally shoot at her two adult children before turning against her, PEOPLE confirmed.

Cobb County police identified the three people found dead Wednesday in a Vinings home: Dr. Marsha Edwards, her 20-year-old daughter Erin Edwards, and her 24-year-old son Chris.

The bodies were found around 18 hours. Wednesday, and the police alleges that Edwards killed her two children and herself – but still do not know why.

A statement from the police indicates that the mother died "of a self-inflicted bullet wound".

Video: A student from Boston University killed in a murder-suicide

According to local media reports, Edwards is the ex-wife of the famous doctor Christopher Edwards, the Atlanta surgeon, the father of the victim.

WXIA-TV received a statement from the bereaved father, which reads as follows: "Dr. Christopher Edwards on Wednesday learned of the death of his ex-wife, Dr. Marsha Edwards, and his two grown children, Christopher Edwards, Jr. and Erin Edwards.

He continues: "Dr. Edwards, his extended family and his friends are in a state of grief and shock, and the family's privacy is paramount as arrangements are made. "

WXIA-TV reported that Edwards had adopted social media the day before the murder and that she seemed in a good mood.

Marsha and Erin Edwards have apparently returned from a trip to Italy recently. On a picture of her and her daughter, the mother wrote, "I could not ask for better children."

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The victim, Chris Edwards, worked as a digital content manager for the city of Atlanta and worked at the Mayor's Entertainment Office.

Erin Edwards was a student at Boston University and spent the summer in New York, where she did an internship at WNBC.

If you or someone you know is planning to commit suicide, please contact the National Suicide Prevention Line at 1-800-273-TALK (8255), send "texto" to the crisis text line at 741 -741 or visit suicidepreventionlifeline.org.