A 19-month-old boy critically injured when a police device was tossed into his bed has a 50 percent chance of surviving, his parents said today. But a northeast Georgia sheriff defends the officers’ actions, calling it a tragic accident. “The last thing you want is law enforcement to injure someone innocent,” Habersham County Sheriff Joey Terrell told The Atlanta Journal-Constitution. “There was no malicious act performed. It was a terrible accident that was never supposed to happen.” Hours after a confidential informant said he bought methamphetamine from Wanis Thometheva at a Habersham County home late Tuesday, officers returned to the...