Without question, open carry provides a greater deterrence than concealed carry. Widespread deterrence from widespread open carry would keep this kind of thing off our streets and confine it to the silver screen:

Police Chase Leads To Death Of Nun, 83 – wcbstv.com.

There was horror in Harlem on Tuesday when an 83-year-old nun was killed and four others were injured in police chase that turned into a mangled mess on Lenox Avenue. It was a horrendous, near head-on collision that happened around 9:30 a.m and killed Sister Mary Celine Graham. Police, investigating an armed robbery