NW Indiana teen sentenced to 50 years for mother's murder

CROWN POINT, Ind. (WLS) -- A 19-year-old woman from northwest Indiana was sentenced Tuesday to 50 years in prison for killing her mother, the Times of Northwest Indiana reports.

Alyssa Barrett pleaded guilty to murder charges in December, saying she was there when her mother, Decarol Deloney-Cain, was killed in July 2014.

The body of the 54-year-old United Airlines flight attendent was found int he trunk of her car in a wooded area of Gary, Ind.

A total of four people are charged in relation to Deloney-Cain's murder. Barrett and her boyfriend Damarius Wren were both charged with first-degree murder, while a 17-year-old boy and 18-year-old boy were charged with assisting a criminal.

According to an affidavit, Wren admitted to police that he killed Deloney-Cain in her home, put her body in the trunk of her car and left the vehicle in Gary. She had been stabbed, beaten, bound and her head put in a pillowcase before her body was wrapped in plastic, police said.

Alyssa was 17 at the time of the murder and says she lied to police to cover up the crime. A plea agreement calls for her to be sentenced to 50 years in prison.