The drug smuggling also involved Jeb and George W. Jeb would routinely call Drug Kingpins in Miami for donations to the Republican State Committee which he was the chair of. George W Bush's private governor's plane while he was Gov. of Texas was Barry Seal's old plane.
http://barrysealmurder1986jebbusholivernorth.blogspot.com/2013/04/jeb-bush-and-murder-of-cia-drug.html
They did a pretty good job burying “rite rail” ... the use of rail tankers to carry cocaine into the US which involved the same people...