DeusRex added the Cop Tahoe
http://www.boxdesigns.cjb.net

Below is the original ReadMe from Rocket and Addict:

===================MIDTOWN MADNESS EDITED STUFF====================
Title                   : Chicago Police with Jeep Wrangler
Type			: AI Cars
Used Editor(s)		: Wordpad, Visual C

Author                  : Addict
			  Rocket
E-mail Address          : addictarts@planetinternet.be
			  r0cket1@hotmail.com
Homepage		: http://www.nfscheats.com/addictarts/
			  http://www.geocities.com/Area51/Dimension/8577/MM

Description             : This will give you 18 police cars in Midtown
			  Madness existing of the Ford Crown Victoria
			  Chicago Police, the Ford Mustang Chicago Police and
			  the Police Jeep Wrangler in Singleplayer Cruise mode.

Installation		: Extract CPD.ar and MMCops.exe to your MM folder.
			  If you previously installed a Police patch then you
			  must overwrite the CPD.ar with this one.
			  Run MMCops and choose Add Cops.
			  To uninstall run MMCops and choose Remove Cops.

Additional Credits to   : Angel Studios
====================================================================

NOTES
-----
If you have the Police cars installed seperately, all files MUST be the
latest version.