An out-of-work young father stays home to care for his infant while his wife is at her job, hoping to make enough money to catch up on their mortgage payments.
The baby's relentless, shrill crying ratchets up Dad's already-strained stress level. Grabbing her from the crib, he gives her a rough shake. The baby falls silent.
Instances of shaken baby syndrome, also known as abusive head trauma, rose markedly across the United States - by 55 percent, according to a recent study - since the recession began in Dec. 2007.