The man in charge of security in Missouri walks with protesters . State Highway Patrol Capt . Johnson was tapped for the job Thursday . `` I 'm here to make sure they hear what I 'm talking about , '' Ron Johnson says Friday . State troopers took over security in Ferguson after Thursday of clashes .
The man in charge of security in Ferguson walks with protesters . Missouri Highway Patrol Capt . Ron Johnson was tapped for the job Thursday . `` I 'm here to make sure they hear what I 'm talking about , '' Johnson says Friday . State troopers took over security in Ferguson after days of clashes .