The Esbarn and the Asban

Police initially considered whether the offender could be a railroad worker. Over five thousand uniformed employees of the national railroad spread across 28 departments were investigated. Eight thousand people who lived around the friederichs felder gardens were also looked into, under pressure from joseph gerbles to solve the case. Hundreds more under cover and uniformed police officers were tasked with riding the asban and manning the key trainat s along the way. Every train platform and compartment was diligently searched for any evidence of the killer's presence.