911 call released in case of mom accused of suffocating kids

MIRAMAR, Fla. -- Authorities have released new details from a 911 call made last week by the cousin of a Philadelphia woman who police say admitted to suffocating her two children during a visit to Florida.

In the eight-minute call released Monday by Miramar police and obtained by CBS News' Crimesider, the suspect's cousin told the operator, "Honestly, I think they are dead."

Sophia Hines, 40, had taken a bed sheet and held it over the mouth of her son, according to a police report. She then used the same bed sheet to cover the mouth of her daughter, police allege.

The cousin made the call last Wednesday, the same day the children were suffocated. She called police after Hines contacted her and told her to come home.

The caller said she was scared and would not go inside the house. Hines' lawyer said that Hines had postpartum depression and was off her medication the day of the killings.

Hines has been charged with two counts of premeditated murder. She remained in Broward County Jail on Tuesday.