collective expression of joy and relief after prosecutor marilyn mosby dropped what can certainly be described as a bombshell. r. >> we have probable cause to file criminal charges. >> yes! yes! >> reporter: a stunning announcement today by baltimore state's attorney marilyn mosby, caesar goodson, the officer driving the police van with freddie gray inside was charged with second-degree murder. >> mr. gray suffered a severe and critical neck injury as a result of being handcuffed shackled by his feet and unrestrained inside of the bpd wagon. >> reporter: the other five police officers involved also facing criminal charges. ranging from false imprisonment and assault to misconduct and manslaughter. >> despite mr. gray's seriously deteriorating medical condition, no medical assistance was rendered or summoned for mr. gray at that time by any officer. >> reporter: the state's attorney said gray's arrest began on the morning of april 12th, when gray ran from three