nah...
I don't think they were THAT related...
generally the guys blowing themselves up are just the grunts. The planners or the one making any bombs were well removed from him.
The guy that blew himself up was the bombmaker.
He did not blow himself and that backpack was meant to be left along with the other one and be detonated to kill people in the stadium. Thanks to the new alcohol policy, they wanted to check his backpack.
Funny, isn't it, how the planners never seem interested in taking the shortcut to Paradise themselves. The grunts, alas, are too dim-witted to notice this odd pattern.