Freidrich Kaiser Gang

The Freidrich Kaiser Gang was a gang in the 1800s founded by Freidrich Kaiser in Cincinnati, Ohio, USA.
The gang was mostly made up of Germans. They were active in the states of Pennsylvania, Illinois, Missouri, Ohio, Wisconsin, Indiana and Kentucky. 
In 1873, members Jones Fischer, Simon Gray and Walter Blackwell committed several robberies with the help of a man named Lawrence Montgomery. They eventually turned on him but got killed in the process by the Samuel Hasselhoff Gang.
In 1873 in Cincinnati, the Samuel Hasselhoff Gang robbed a whorehouse ran by Johannes Blatt, one of Freidrich Kaiser's most trusted lieutenants.