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About This File

LCPDFR is a massive gameplay modification for Grand Theft Auto IV that turns the entire game upside down, letting you play as a cop.  LCPDFR Version 1.0 is the latest update to the modification and has been re-written from the ground up.


Please note: LCPDFR is unsupported on the latest GTA IV patch (Patch 8). You'll have to downgrade back to Patch 7 ( in order to use LCPDFR. Read our DOWNGRADE GUIDE.




See the change log for more information about the release.  For a better idea of what has changed, and how to use the new features, see the brand new user guide: https://www.lcpdfr.com/legacy/lcpdfr-guide
Unfortunately, LCPDFR 1.0 does not support any versions of Windows XP - Microsoft is phasing out support for Windows XP and as such, the .Net Framework 4.5 is not compatible with it.  We are aware of this and are looking into alternative solutions.  We do, however, highly recommend that if you are still running Windows XP, you should upgrade to Windows 7 or Windows 8, as it is a 12 year old operating system and many applications, programs and systems no longer support it.
Note that more information, support and announcements about LCPDFR 1.0 will be released in due course - the main priority of the team up until now has been to make good on our promise to bring you a release before the end of the year.
Be sure to read the LCPDFR User Guide for a very in-depth look at LCPDFR 1.0.
LCPDFR is a massive gameplay modification for Grand Theft Auto IV that turns the entire game upside down, letting you play as a cop.  LCPDFR Version 1.0 is the latest update to the modification and has been re-written from the ground up.

  • LCPDFR 1.0 introduces an improved arrest system, allowing the player to more easily arrest multiple suspects at once.
  • In addition to the improvements for the player, LCPDFR 1.0 also introduces full NPC compatibility with the arrest system, allowing NPC officers to make arrests with proper animations, handcuffing and suspect transport.


  • LCPDFR 1.0 also introduces a brand new application programming interface (API).  The LCPDFR API can be used to make modifications built on the same framework as LCPDFR, allowing script developers to call LCPDFR functions and communicate with the key components of LCPDFR.  Furthermore, the LCPDFR API can be used to build scripts totally unrelated to LCPDFR, taking advantage of the features and functions offered by the API which would be otherwise unavailable, such as those provided by the AdvancedHook.


  • The use of audio in LCPDFR 1.0 is unparalleled by any previous versions of the modification, with well over 300 audio files being available.  The police radio is now more functional, with regular dispatch updates on pursuits and other events being available.  Similarly, the usage of character speech in LCPDFR has been increased drastically, with code designated solely to finding the best speech for specific events from the character's voice.


  • In LCPDFR 1.0, all traditional backup units return, with multiple enhancements to normal units and NOOSE teams.  NOOSE teams will now secure the area on arrival at an assistance call, while normal units will leave their vehicles and scan the area.  Medical and fire department assistance has also been improved with longer response times.


  • Callouts are now designed for easy integration with the LCPDFR API and custom callout scripts, therefore all callouts have been re-written from scratch.  Base callouts included with LCPDFR 1.0 include: a shots fired call, a pursuit in progress, armed robbery suspects fleeing, a drunken disturbance, a drug deal, a drunk driver and a mugging.

Duty System

  • The character selection system has been overhauled in LCPDFR 1.0, with the new ability to customise your character's clothing and accessories.  Not only this, but you can also do the same for any partner.


  • LCPDFR 1.0 features events which are either triggered or spontaneous.  Events come in a number of forms, such as a suspect being arrested, the player being assaulted or a civilian driving recklessly.  Most events can be reported, either by the player, or by LCPD units, to dispatch.  For example, if the player is assaulted by a moving vehicle, this can be called in and other units will attempt to stop the vehicle.


  • Frisking has been overhauled in LCPDFR 1.0 in terms of how the generation of contraband works.  Previously, random values were used, but now the script will actually apply different random values based on a number of factors such as age, occupation and various other model flags.


  • In LCPDFR 1.0, the player can now take hold of arrested suspects and drag them around.  This is very useful when transporting the suspect to a police station as you are able to drag them to your patrol car, open the back door and seat them inside.


  • Hardcore mode has been further expanded in LCPDFR 1.0 with the introduction of a state of complete defencelessness which will be activated if the player takes too much damage.  When injured, the player is rendered into a slow moving, limping state where no weapons can be drawn or fired.  Thankfully, the effects of an injury in Hardcore Mode are easily reversed by seeking medical treatment from Liberty City’s fine paramedics.

Lights and Sirens

  • LCPDFR 1.0 expands upon the lighting control offered in previous versions of LCPDFR, introducing a new lighting mode where red and white lights will flash alternately.  Moreover, LCPDFR 1.0 also features better siren control, allowing the siren to be completely muted without removing the ability for the player to speak.  Similarly, this siren mute can now be cancelled during any of the three lighting modes by holding down the lighting mode switch key. 


  • Nearly every sentence used in the LCPDFR modification now supports language customisation.

Police Computer

  • The police computer now features a customisable background image, allowing you to change the look and feel of the system to your liking.
  • The computer has also been rewritten from scratch and is now more responsive to user input.
  • Finally, the computer offers a lightweight ALPR system, which is integrated with LCPDFR, for those of you who do not wish to install an ALPR modification.

Police Station Interior

  • The police station in LCPDFR 1.0 boats several enhancements with more ambient scenes and scenarios happening inside, including arrested suspects being searched and seated and officers working on their computers.  Not only this, but the LCPDFR police station interior was designed for use with Abraxas’ vdH Police Station modification, taking advantage of some of the new objects added.


  • In LCPDFR 1.0, a pursuit is no longer an isolated element of gameplay - it is directly linked to the rest of the modification, meaning that most LCPDFR experiences are actually powered in some way or another by the pursuit system.  In simple terms, whenever there’s a suspect, there’s a pursuit, and the pursuit controls their behaviour as well as the actions of the officers determined to score another point in their arrests column.
  • Pursuits work using a search area, which like in normal gameplay, is a flashing red and blue circle on the minimap.  This search area will follow the suspect so long as at least one police unit has a visual, meaning that under these circumstances, the suspect is always at the very centre of the search area.  If all visuals on the suspect are lost, however, the search area will cease following them and instead remain stationary at their last known position, thus giving the suspect the opportunity to leave the search area and therefore escape from the pursuit.
  • After losing visual of a suspect, all units will begin a methodical search of the area, both on foot and in vehicles, searching the exterior world as well as any nearby interiors.  Helicopter units will also partake in this search, scanning the area for the suspect.
  • A pursuit tactics menu also exists, allowing players the ability to make helicopters and units more or less aggressive.  Activating lethal force will also enable the Annihilator gunship, which will open fire on suspects when set as aggressive.

Quick Action Menu

  • New to LCPDFR 1.0, the Quick Action Menu makes common tasks simple, eliminating the need to remember loads of key combinations.  The Quick Action Menu, controlled entirely by mouse or controller stick movement, is a new interface element of the modification which allows for simple tasks, like calling in ambulances or evacuating the area, to be done without the need for keypresses.  Both your memory and other modifications will thank you for this, as it means that keys which have traditionally conflicted with ELS and other mods, like CTRL + M for an ambulance, are a thing of the past.


  • The Taser can now be used by all NPC units and by default, actively fleeing suspects can only be stopped by NPC officers if they fire the Taser at them.  The Taser now also boasts better hit detection and it no longer modifies any of the original game files.


  • A brand new addition to LCPDFR, the tutorial allows both new and experienced officers the chance to get accustomed to the workings of some of the core features of the modification.

Xbox360 Controller Support

  • LCPDFR 1.0 boasts excellent Xbox360 controller support.  All keys can now be mapped to controller buttons and all help prompts are dynamic, meaning they show the actual key or button you have defined.  Similarly, the Quick Action Menu, designed for use with controllers, allows you to bind and remember less combinations.

Other Notable Changes

  • No longer does the LCPD see it all and know it all - they do not have magic suspect finding powers.
  • There's a much bigger emphasis on foot pursuits now.
  • Units can commandeer civilian vehicles if need be.
  • Suspect fleeing AI has been improved significantly.
  • When playing as a 'fit' police officer, you can walk faster by holding ALT by default.
  • Holding ALT (default) will also bring up the LCPDFR Aiming Marker.
  • The LCPDFR Aiming Marker can be used to tell your partner to go to the position it is pointing at.
  • You can mark any civilian as wanted by police.
  • If someone fires a gun or attacks you, you can report this to dispatch, automatically marking them as wanted.
  • Suspects will abandon their vehicles and flee on foot if the opportunity presents itself.
  • NOOSE officers are now able to stand up properly and sprint while chasing suspects.
  • All officers use the correct pistol, shotgun and rifle animations when in pursuit.
  • The helicopter searchlight works for player controlled helicopters in pursuits.
  • A lot of work has been put into making the AI of both suspects and units smarter.
  • I wish I could go on with this list, but there's simply hundreds of changes - far too many to list.

Please read the LCPDFR User Documentation for more information about the modification.  It's 44 pages long.
Don't come to the comments section of this download page for support.  Please use the LCPDFR Support forum section instead, and for the love of all that's holy, search for issues similar to yours before posting a new topic.  Please, we beg you.
If you're having problems with the installation of the modification, please use the manual installation package, following the steps in the guide provided.

What's New in Version 1.1


  • LCPDFR 1.1
  • API
  • Added SetPursuitTactics and SetPursuitHelicopterTactics
  • Added GetArrestedPeds to get all peds the player is currently taking care of
  • LVehicle: Added SirenMuted
  • CheckpointControl
  • Added back QAM entries (sorry!)
  • Pullover
  • Fixed stats glitch (thanks to EvilJackCarver for reporting)
  • Networking
  • Basic network engine syncing blips (no attributes), callout messages and search areas.
  • Better detection of network players
  • Misc
  • A few crash fixes
  • Reduced obfuscation level to please AV software
1supermiguel, BearcatGG, ohqwe and 63 others like this

LCPDFR.com Downloads Version: 1.0.20, updated 10th March 2018. What's new?

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