There's going to be hell to pay from the Council about this guys... but later, always later. For now it's not going to be long before Pheron's men suss out you have dumped your escort and will come looking for you.
Meanwhile the Dark Siders have a lead. Is there a constructive plan now you can actually do something?
"Still in the bar, I guess," says the man. "I'm only here to get this body on ice." He finishes loading it into the van.
Marcus, the man's trousers are in this alley. There is also a burn mark and damage to the wall where the sabre went through the man's chest and into the wall behind- he must have been standing close to it. There is also a back door into the bar here.