police lining up in riot gear. we re the people that run towards danger instead of running from it. reporter: last night a small group of heavily armed men walked into the group of protesters, calling themselves the oath keepers. the men say they re protecting with infowars, a site run by conspiracy theoryists. they mix in with a lot of the peaceful protesters, so it is difficult. and particularly for law enforcement who has no idea oftentimes who is who. reporter: tensions growing after a reported four shootings sunday night. 18-year-old tyrone harris remains in critical condition after being shot by police late sunday. of course, carol, there s a rel
everybody has the right to be safe. reporter: they say they are protecting them with wars, a site run by conspiracy they are rick s list s. they say police are leaving them alone. protesters shut down the interstate in st. louis. many of the people who have their own agenda and wish to escalate violence, they mix in with a lot of the peaceful protesters. it is difficult. particularly for law enforcement who has no idea who is who. reporter: four shootings sunday night. 18-year-old tyrone harris remains in critical condition after being shot by police late sunday. please get him some help. reporter: there s a lot of people talking about separating those protesters from those who come to do other things. a lot of people want to say, look, there needs to be a separation between people who show up to protest and others