Question: The Maverick Queen stars the title character as what kind of private security guard?

Context paragraphs:
Integrated Risk Management Services: Integrated Risk Management Services (I-RMS) is the trading name of a private security company Business Mobile Security Services Ltd based in Naas, Ireland.  It is a member of the Senaca Group.  I-RMS are licensed by the Private Security Authority, the statutory body responsible for licensing and regulation of the private security industry in Ireland.  It is also a member of the Transported Asset Protection Association.

Algiers Motel incident: The Algiers Motel Incident occurred in Detroit, Michigan, United States, during the night of July 25–26, 1967 during the racially charged 12th Street Riot.  At the Algiers Motel, approximately one mile east of where the riots began, three teenage civilians, all of them black, were beaten and killed by police.  Nine others—two white females and seven black males—were badly beaten and humiliated by members of a riot task force composed of the Detroit Police Department, the Michigan State Police, and the Michigan Army National Guard, and a private security guard.  The incident occurred after reports were received that snipers, a gunman, or group of gunmen had been seen at or near the motel.  One death has never been explained as the body was allegedly found by responding officers.  Two deaths have been attributed to "justifiable homicide" or "self-defense".  Charges of felonious assault, conspiracy, murder, and conspiracy to commit civil rights abuse were filed against three officers and one private security guard.  All were found not guilty.

Security company: A private security company is a business corporation, which provides armed and unarmed security services and expertise to private and public clients.  Private security companies are defined by the U.S. Bureau of Labor Statistics as companies primarily engaged in providing guard and patrol services, such as bodyguard, guard dog, parking security and security guard services.  Many of them will even provide advanced special operations services if the client demands it.  Examples of services provided by these companies include the prevention of unauthorized activity or entry, traffic regulation, access control, and fire and theft prevention and detection.  These services can be broadly described as the protection of personnel and/or assets.  Other security services such as roving patrol, bodyguard, and guard dog services are also included, but are a very small portion of the industry.  The private security industry is rapidly growing, currently there are 2 million full-time security workers in the United States and this number is expected to increase by 21% percent through 2020.  Making the security industry a $100 billion a year industry, with projected growth to $200 billion by 2010.

Private security industry in South Africa: The private security industry in South Africa is an industry providing guarding, monitoring, armed reaction, escorting, investigating and other security-related services to private individuals and companies in the country.  Over the years there has been tremendous growth in the private security industry, not only in South Africa, but also in the rest of the world.  The private security industry in South Africa is among the largest in the world, with over 9,000 registered companies, 450,000 registered active private security guards and a further 1.5 million qualified (but inactive) guards; many times the available personnel than the combined South African police and army.  Studies have shown that South Africa had 2.57 private security personnel for every police employee.  This is attributed by some to the country's relatively high levels of crime to a lack of public funds from Parliament towards the South African Police Service (SAPS) or to an increasing trend in many countries towards government outsourcing of certain security functions.  Others have suggested the number of high-wealth individuals in South Africa in comparison with the rest of Africa has led to the growth of the industry.

The Maverick Queen: The Maverick Queen is a 1956 American Trucolor Western film starring Barbara Stanwyck as the title character and Barry Sullivan as an undercover Pinkerton detective out to stop outlaws Butch Cassidy, the Sundance Kid, and the Wild Bunch.  The film was based the novel by Zane Grey.

Private Security Company Association of Iraq: The Private Security Company Association of Iraq (PSCAI) was a not-for-profit organization formed and maintained to discuss and address matters of mutual interest and concern to the industry conducting private security functions in Iraq.  The PSCAI worked closely with the Iraqi Government, Coalition governments and Coalition forces to promote transparency, legitimacy, and accountability for the private security company industry.  The PSCAI was dissolved on December 31, 2011.

Ira A. Lipman: Ira A. Lipman (born 1940) is an American businessman and philanthropist.  He is the founder and chairman emeritus of Guardsmark, a privately owned security company with a payroll of 17,000 employees and 130 offices in the United States, Puerto Rico, the United Kingdom and France.  In 2015, he sold Guardsmark to Universal Protection Service, the largest private security company in the United States, and he served as its vice chairman until its 2016 merger with AlliedBarton.  He has been called "a pioneer in the private security guard business".  His work has been cited by the United States Department of Justice's Law Enforcement Assistance Administration and the United States House Judiciary Subcommittee on Crime, Terrorism, Homeland Security and Investigations.  He supports the arts in Memphis, Tennessee and Judeo-Christian interfaith dialogue in the United States.

Pinkerton (detective agency): Pinkerton, founded as the Pinkerton National Detective Agency, is a private security guard and detective agency established in the United States by Allan Pinkerton in 1850 and currently a subsidiary of Securitas AB.  Pinkerton became famous when he claimed to have foiled a plot to assassinate president-elect Abraham Lincoln, who later hired Pinkerton agents for his personal security during the Civil War.  Pinkerton's agents performed services ranging from security guarding to private military contracting work.  Pinkerton was the largest private law enforcement organization in the world at the height of its power.

Area Police/Private Security Liaison: APPL, or the Area Police/Private Security Liaison program, was created in New York City in 1986 to create a better working relationship between public and private security.  It was formed by the NYPD commissioner and four former NYPD chiefs who had become leaders in the private security community.  Part of its work involved overcoming the mutual distrust between public police and private security; the former typically looked upon the latter as being ill-trained and uneducated, while the latter resented being treated as less than professional enforcement officers.  The police training curriculum was revised to include private security awareness discussions, and police were invited to visit private security organizations.  The police academy also began teaching a course on police science for private security first-line supervisors.  Private security and police also met regularly to discuss crime trends and to share information.

Private Security Authority: The Private Security Authority (PSA) Irish: "An tÚdarás Slándála Prı́obháidı́" is the independent statutory body in Ireland that regulates private security services.  It was established under the Private Security Services Act 2004.  It is responsible for protection of the public and clients of the security industry by promoting a high quality standards-based licensing system for businesses and individuals working in the industry.

Supporting paragraphs: The Maverick Queen Pinkerton (detective agency)
Answer: Pinkerton