Who is Rebecca Lynn O’Donnell?

IN APRIL 2022, NBC's Dateline will tell the story of former state Sen. Linda Collins, who was brutally murdered in 2019.

At first, authorities had trouble figuring out why someone would kill Collins, but in a shocking twist, her friend confessed to the crime

Rebecca Lynn O'Donnell is known as Collins' former campaign worker and friend.

In August 2020, she made headlines after she pleaded guilty to killing the former Arkansas senator.

"I went to Linda's house, and I intentionally killed her and then hid the body," O'Donnell said in court, according to ABC News affiliate KATV in Little Rock.

She had previously pleaded not guilty to capital murder.

However, she changed her plea after prosecutors announced that they were going to seek the death penalty.

Collins was known as an American businesswoman and politician who served as a Republican member of the Arkansas Senate.