For Eriksson I generally cloak, fly over to the freighters that are in the centre and move infront of them enough that I only have to engage the one civilian escort, whack that then the 2 freighters, then I move as fast as I can (cloaked) and hit the convoy that was on the right (their route seems to keep them in system longer), the escort goes down and I can generally get both of them with about 5km to spare. Remember they don't warp out at the beacon but slightly after it so don't start panicking! :p

Edit:
@Reave
Eriksson has always been fairly easy in a BOP, we can maul most ships just by glancing at them (with proper builds). Its cruisers, battleships and carriers that encounter most issues