NBC News – An Oregon mother has pleaded guilty to murdering her 6-year-old son by throwing the boy off the Yaquina Bay Bridge.

Jillian McCabe was sentenced to life in prison, with the possibility of parole after 25 years.

According to the prosecutor, Jillian McCabe had planned the murder for weeks and researched insanity defenses online. Investigators say the stay-at home mom was scared her lifestyle would change after her husband was diagnosed with multiple sclerosis and could no longer work.

A review of her cell phone and computer also showed McCabe scoured the Internet for articles on parents that have thrown their children from bridges.

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