The dad is MATTHEW FIELDS, and yes, he was babysitting for the day. Sounds like the baby has abusive head trauma.
http://www.fox2now.com/news/ktvi-matthew-fields-accused-abusing-9-week-old-baby-20111012,0,966793.story
Father Accused Of Abusing 9 Week Old Baby
8:21 p.m. CDT, October 12, 2011
HARTFORD, ILLINOIS (KTVI-FOX2now.com)—
The Madison County Sheriff’s Office has charged 24-year-old Matthew Fields, of Hartford, Illinois with Aggravated Battery of a Child.
Authorities said the Illinois Department of Children and Family Services reported that a mother of a nine week old child took the child to an Alton area hospital on October 10 around 7 p.m., due to the child not acting normal.
The child was immediately referred to a St. Louis area hospital with non-accidental injuries to its head.
An investigation revealed that the mother and father (Fields) of the child live at the same address, but are not married. The mother left the home on October 10 around 5 p.m. and returned around 6 p.m. The child was left in the care of Fields.
Investigators made contact with Fields at his place of employment on October 11, 2011, at approximately 10:30 a.m.
A search warrant was executed on the family home and Fields was arrested.
Bond was set at $500,000