Sep 13, 2010members' is correct as member's would mean that there is only one member. View the profiles of notable members in the wordreference forums community. I am aware that "staff members" and "members of the staff" are both correct and mean the same.
Sinaloa members do not refer to themselves as a cartel, but rather as a “federation” of families, most of whom come from the golden triangle, a mountain region where the states of sinaloa, chihuahua.