zeal lights are replaced with "SM" swat 1 (literally just a gensec swat with a G36) and zeal heavies are replaced with "SM" heavy 1 (FBI Tan Heavy with a G36)
install this mistake of nature wonderful and challenging LUA mod if you think DS isn't hard enough even though all the difficulty from DS comes from piss poor design and 5+ years of powercreep shit
combine with Ellie's Original OD to make your life even more shit wonderful xd

incompatible with any lua mod that touches the GroupAITweakData:init_unit_categories function.