Yeah, that could be too, but surely not the only reason for 115 incidents in the last 8 years. Some of these have to be planned actions.
Yes, some are. Like I said, they're escorting drug smugglers in those cases.
Also, a 'Nam vet FReepmailed me and reminded me that when they were shooting at Mr. Charles, or the PAVN, his unit didn't exactly stop at the Cambodian border--if the enemy went across and was still shooting, the CO said "hot pursuit" and continued mission. Some of the Zapatista terrorists are US citizens. (Ready for a real shocker? Some of them are Anglos--they're "Red Diaper Babies" a la Lori Berenson).