12/06/2012 02:13 am ET

A Family Tragedy: Recognizing Depression Too Late

Nine months ago, Kelli Sly, a 23-year-old single mom with a history of behavioral issues, insurmountable demons and depression, took the life of her 2-year-old son, Gavin, and the next day killed herself.

For Sly's mother, Sherri Sinclair, of Waukee, IA, what happened on March 24 and 25 closed the window on years of anger, frustration and illness and opened a door to unimaginable sadness.

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