MIAMI (CBSMiami) — A mother’s nightmare is inspiring a new law to help parents protect their children from domestic abusers.

On Wednesday, lawmakers introduced “Greyson’s Law.”

READ MORE: Deadly Crash Shuts Down Deerfield Beach Streets; BSO Cruiser Towed From Scene

The bill is named after 4-year-old Greyson Kessler, who was the victim of a murder-suicide involving his father back in May of this year.

READ MORE: Judge Ketanji Brown Jackson, Who Grew Up In Miami, Could Be Next US Supreme Court Justice

In the days leading up to the shooting, Greyson’s father sent disturbing and threatening messages to Greyson’s mother.

She tried to gain exclusive custody of her son to protect him but was unsuccessful.

MORE NEWS: Miami Twin Brothers Will Set Sail For Harvard In The Fall

Under Greyson’s Law, shared custody of a child would be revoked or suspended if a parent or child believes they are in danger. Team