Question: Who is the current sheriff of the police force responsible for launching the manhunt which let to the capture of Chester Stiles?

Context paragraphs:
Washington National Cathedral Police: The Protestant Episcopal Cathedral Foundation Police, commonly known as the Washington National Cathedral Police, is a small police force responsible for protecting the land of the Protestant Episcopal Cathedral Foundation, which mainly consists of the Washington National Cathedral in Washington, D.C., in the United States.  The 57-acre grounds of the Cathedral include three schools, a parish church, places of religious study, the Bishop's house and administration, plus assorted other buildings, gardens and playing fields.  The police force numbers around 20 officers, who are licensed as special police officers by the Metropolitan Police Department of the District of Columbia, and enjoy full police powers when on Cathedral Foundation property or in pursuit of suspects.

City of London Police: The City of London Police is the territorial police force responsible for law enforcement within the City of London, including the Middle and Inner Temples.  The force responsible for law enforcement within the remainder of Greater London, outside of the City, is the Metropolitan Police Service, a separate organisation.  The City of London, which is now primarily a financial business district with a small resident population but a large commuting workforce, is the historic core of London, and has an administrative history distinct from that of the rest of the metropolis, of which its separate police force is one manifestation.

Las Vegas Metropolitan Police Department: The Las Vegas Metropolitan Police Department (also known as the LVMPD or Metro) is a joint city-county police force for the City of Las Vegas and Clark County, Nevada.  It is headed by the Sheriff of Clark County, elected every four years.  The current Sheriff of Clark County is Joe Lombardo, who became sheriff on January 5, 2015.  The sheriff is the only elected head law enforcement officer within the county, and, as such, the department is not under the direct control of the city, county or state.

Bergen County Police Department: The Bergen County Police Department (BCPD) was a county police force responsible for providing police and security services to and on county property; it also assisted the 70 municipalities in Bergen County, New Jersey in police operations.  Formed in 1917, the department was responsible for all county roads, highways, parks, etc.  BCPD had many different units, such as a Bomb Team, Communications, Detective Bureau, Hostage Negotiators, Juvenile Bureau, K-9 Units, OEM (Office of Emergency Management), Patrol, SWAT Team, Traffic Safety, and WSAR (Scuba team).  In 2015, it was merged with the Bergen County Sheriff's Office.

Port of Tilbury Police: The Port of Tilbury Police is a small, specialised police force responsible for policing the Port of Tilbury, owned by the Port of Tilbury London Ltd, a subsidiary of Forth Ports plc.  Known before 1992 as the Port of London Authority Police, at over 200 years old, it claims to be the oldest police force in the country.  Any serious or major incidents or crimes become the responsibility of the local Home Office police force, Essex Police.

Warwickshire Police: Warwickshire Police is the territorial police force responsible for policing Warwickshire in England.  It was known as Warwickshire Constabulary until 2001.  It is the second smallest territorial police force in England and Wales after the City of London Police, with only 998.6 (full-time equivalents) regular officers as of December 2006.  The resident population of the force area is 552,000.

Chester Stiles: Chester "Chet" Arthur Stiles (born September 14, 1970 in Louisville, Kentucky) is an American criminal who gained notoriety after he appeared in video clips of himself raping and sexually abusing a girl who was three years old at the time.  The video was made in 2003 but surfaced in the Nevada desert in 2007.  Based in Pahrump, Nevada, both the FBI and the Las Vegas Police launched a nationwide manhunt which led to his capture.  He was caught and appeared in court on October 17, 2007.

Merseyside Police: Merseyside Police is the territorial police force responsible for policing Merseyside in North West England.  The service area is 647 square kilometres with a population of around 1.5 million.  As of March 2009 the service has 4,494 police officers, 2,221 staff, 442 police community support officers and 420 special constables.  The service operates under the oversight of the Police and Crime Commissioner, Jane Kennedy.  A proposal to merge the force with the Cheshire Constabulary to form a strategic police force was made by the Home Secretary on 6 February 2006 but later abandoned.

Kennebecasis Regional Police Force: Kennebecasis Regional Police Force (KRPF) is the police force responsible for Towns of Rothesay and Quispamsis in the province of New Brunswick, Canada.  The 31-person force is currently headed by Chief of Police Stephen N. McIntyre with the support of 7 auxiliary members.

Metropolitan Police Service: The Metropolitan Police Service (MPS), formerly and still commonly known as the Metropolitan Police, formally called the Metropolitan Police Force, and informally referred to as the Met, is the territorial police force responsible for law enforcement in Greater London, excluding the "square mile" of the City of London, which is the responsibility of the City of London Police.

Supporting paragraphs: Chester Stiles Las Vegas Metropolitan Police Department
Answer: Joe Lombardo