Police on Friday identified a suspected serial killer in the deaths of at least four people whose remains have been found in Fairfax County and Harrisonburg, Virginia. .... Anthony Robinson, 35, has been in custody at the Rockingham County Jail, more than 100 miles from Fairfax, since late November, police said Friday. .... The man police called the “Shopping Cart Killer” meets victims from online dating sites at motels before killing them and transporting their remains in shopping carts to “their final resting place,” Fairfax County Police Chief Kevin Davis said at a news conference Friday afternoon. ... Police said...