thread title says it all

Who can we blame for this one?

Tyasia Jackson was reportedly babysitting her younger, Sasha Lamaya Ray, and her other siblings when the toddler went missing at some point. Her body was found Monday afternoon outside their home on North Waldrop Trail in Decatur. Shelton Latroy Ray, the biological father of Sasha, told Channel 2 Action News that Jackson called him on Monday around 11 p.m. from jail and admitted to killing the 2-year-old.
Who can we blame for this one?