fellow american backed up by nothing but hate. that's "hardball" for now. thanks for being with us. "all in" with chris hayes starts right now. good evening from san bernardino, california. i'm chris hayes. and tonight a city in mourning for the 14 people killed here yesterday. at the center for the developmentally disabled. the deadliest mass shooting in this country since the massacre at sandy hook elementary school three years ago. the county coroner has now identified each of the 14 victims. michael wetzel, 37. damian means, 58. nicholas thalasinos 52. l. daniel kaufman 42. sierra claiborne, 27. shannon johnson 45. bennetta bet-badal 46. aurora godoy 26. isaac amanios 60. harry bowman 46. yvette velasco 27. robert adams 40. tin nguyen 31.