As police continue the hunt for the gang who carried out the £53m Securitas raid in Kent, the BBC News website looks at the man leading the investigation.
Adrian Leppard has spent much of his career with Surrey Police
In the week since the UK's biggest cash robbery in Tonbridge was carried out, it has been Assistant Chief Constable Adrian Leppard who has become the public face of the hunt for the perpetrators.
Now almost a fixture in front of the cameras, he has described the investigation as "fast paced", and has spoken of his confidence in catching the criminals.
In his high profile role at Kent Police, Mr Leppard has been involved in some other cases which attracted publicity.
He was part of the investigation into a gang which was using JCB diggers to steal back cash machines last year.
The senior policeman also headed the inquiry into the contract killing of 48-year old baker, Mario Commatteo.
Mr Leppard began his police career working as a traffic officer at Surrey Police before he was promoted to sergeant in 1989 and a subsequently transferred to CID.
He spent most of his 22 years' service as a detective, climbing through the ranks to superintendent.
As detective inspector at the Surrey force intelligence bureau, he experienced hostage negotiation, intelligence and covert operations.
He was also responsible for formulating crime reduction and detection policies.
More recently, as senior investigating officer, he has led investigations into homicides and other serious crimes.
Before his appointment as assistant chief constable in Kent, he was area commander in north-west Surrey. This role included responsibility for local performance, partnerships and strategic direction.
He completed a Masters degree in Business and Administration in 1998.