Roemer says in Enforcer that Ferriola ordered the hit on the two brothers.

In Family Secrets, Nick Calabrese was ordered to kill Feccarotta because while they were in Arizona to murder Emil Vaci, Feccarotta won $2,500 gambling at a local casino or something, when he was supposed to be low key considering the task at hand. This among other indiscretions led to the decision to clip John Feccarotta