In February 1910 a Lynch mob in Alexander County Illinois tried to storm a jail in which 2 negro pickpockets were held; although one account claims a Sherriff Deputy was killed-see
http://www.legendsofamerica.com/il-cairo5.html
in fact it was Sherriff's Deputies-who were Africain Americans fired on the mob and killed the leader and wounded several others {including two reported spectators}