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Train Robbery squad
The six-man Train Robbery Squad consisted of
Detective Inspector Frank Williams, Detective
Sergeant Steve Moore, Detective Sergeant Jack
Slipper, Detective Sergeant Jim Nevill, Detective
Sergeant Lou Van Dyck and Detective Constable
Tommy Thorburn. The senior officer, Frank Williams, was
a quiet man. His speciality was dealing with informants
and he had the best working knowledge of the south
London criminal fraternity in the force. One of the
squad, Jack Slipper, would later become head of the
Flying Squad and would still be involved in the case
many years later.
Post Office Investigation
The Post Office Investigation Branch) was tasked with immediately
establishing the amount of money stolen, which they concluded totalled
£2,595,997.10s.0d. They also sought to identify what money had been taken
so that the relevant banks could be notified. Deficiencies in High Value
Package carriage security were reported and secure carriages were
immediately brought back into service. The installation of radios was
recommended as a priority. The investigation was detailed in a report by
Assistant Controller Richard Yates that was issued in May 1964.
The Arrests
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Figure 82 The Train Robbers