Profile looks at the man who was appointed this week to the top job in policing - the new Metropolitan Police Commissioner, Bernard Hogan-Howe.

Described as a tough, straight northerner, he spent five years running the Merseyside police to 2009.

He introduced a zero tolerance approach to crime which he describes as "total policing". Under his leadership there were significant falls in crime and anti-social behaviour.

He is not afraid to court controversy and spoke out against judges for being soft on gun crime.

He adopted a high public profile with regular web-chats and appearances on radio phone-ins.

He has a love of horses and also made regular public appearances on horseback

Danny Shaw talks to former colleagues, politicians and criminologists and others and finds out what drives Bernard Hogan-Howe and what sort of Metropolitan Police Commissioner he might be.