Question: What police group was formed in 2004 to patrol main tourist areas?
About the article "Victoria Falls", section "National parks".

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The Special Patrol Group (SPG) of the Royal Ulster Constabulary was formerly known as the Police Reserve Force.
A tactical reserve of 150 officers which had the role: "to provide backup in civil commotion, to police sensitive areas at times of confrontation, and to show the flag in a disciplined and impressive way to those who wished to break the peace."
The name was changed to Special Patrol Group in 1970 to avoid confusion between the Reserve Force and the newly formed RUC Reserve. 
In 2009 Tourist Police was formed to protect local and foreign tourists, with the service being initiated at Cox's Bazar Sea Beach, a popular area with the world’s longest sandy beach.
There are plans to expand the Tourist Police to work at other tourist spots.
It works under the District Police Administration. 
The following units were formed with personnel formerly in the People's Militia Units.
Highway Patrol  Oil Field/Gas Pipeline Security guards  Tourist Police  
The San Francisco Housing Authority Police was formed as an off-shoot of the department in 1938 to patrol the various housing projects of the city.
In the 1990s they were completely absorbed back into the main Police Department. 
Highway Patrol: Officers patrol highways, parkways, and main thoroughfares throughout the City of New York.
Auxiliary Highway Patrol officers wear the same uniform as regular Highway Patrol officers and patrol in regular officers RMPs in Auxiliary Police Highway Patrol RMPs with "AUXILIARY" decals on each side.
All applicants to this unit are required to have a minimum of five years experience as a patrol officer with the NYPD Auxiliary Police before they will be considered for the job.
In addition they must be qualified to operate Highway Patrol vehicles and motorcycles.
"See article: New York City Police Department Highway Patrol"Harbor Unit: Officers patrol New York City's waterways.
A marine background such as one obtained through the coast guard, military, or other marine background is required.
Citywide Traffic Task Force (CTTF): Officers patrol citywide to high crime areas all over the city that need special attention and extra patrol.
However, more typical of this unit is traveling to precincts in Manhattan during special events such as concerts, marathons, parades, etc.
to increase the police presence.
They are involved in both vehicle and traffic control.
They do not confine themselves to one location or precinct.
Undercover Vice Ops: Officers that have not reached the age of 20 years and 6 months old can be utilized to assist the NYPD Vice Unit Narcotics Division for "Quality of Life enforcement" stings which address illegal alcohol, knife, and spray paint sales.
Other than this exception, NYPD Auxiliary Police officers are never undercover (*unless authorized by the Police Commissioner or Commanding Officer of the Auxiliary Police) and always patrol in uniform.
Officers who have received the necessary "Vice Training" may be used by their Command in non-hazardous surveillance with the supervision of regular police officers.
The Auxiliary Police also has a Ceremonial Unit made up of a small group of Auxiliary officers.