I don’t think they have the technological capability myself.
To the contrary, I think if they acquired an entire MANPAD from the Ukraine and brought it back domestically, they’d have an expensive wall decoration.
FYI -
Sinaloa Cartel Sought Anti-Aircraft Missiles
https://insightcrime.org/news/analysis/sinaloa-cartel-sought-anti-aircraft-missiles/
Among the weapons they sought were an M47 anti-tank weapon, two AT-4 anti-tank missiles, shoulder-fired light anti-tank rocket, a variety of grenade launchers, two M-60 machine guns and three cases of hand grenades. Perhaps the most formidable weapon on their list, however, was an FIM-92 Stinger, a surface-to-air missile similar to those used by the Taliban in their campaign against the Soviets in the 1980s.
(The above report is from 2011)
Thousands of Libyan missiles from Qaddafi era missing in action
https://www.cbsnews.com/news/thousands-of-libyan-missiles-from-qaddafi-era-missing-in-action/
(Libyan report from 2013)
Full List of American War Weapons Lost In Afghanistan
https://www.ammoland.com/2021/12/full-list-of-american-weapons-left-afghanistan/
(Afghan report from 2021)
I’d say we’re looking down a deep, deep rabbit hole filled with interesting stuff that goes bang!