in one article it says that "The Lil Wayne show has been cancelled due to circumstances beyond Live Nation's control," the promoter said in a news release.
Then another article in the past talks about him crossing the arizona/cali border and being caught with 3.7 ounces of weed, 1 ounce of coke, 1.45 ounces of ecstasy and a hand gun.
If you can't make it over the Arizona/Cali border i cant imagine how he expected to make it out of the country. There's not really any proof that says this is why he got stopped but im just putting his past issues into this current situation.