The mummy man had proven to be a man (collection of men?) of his word and as El got closer, he kept himself hidden.

"They're over the mills where Thirteen's medics are hidin' out. We're gonna start pullin' back, shit's hittin' the fan hard," he whispered, but only when they get back to the Rebellion does it really become clear how badly this battle went. The mechanic had one purpose besides helping people evacuate and once that purpose was done, he had to retreat, lest he be captured by the Capitol. Something told the young man he had one hell of a rap sheet there.

"Cover me, I hear peacekeepers an' they ain't happy about me killin' their commander."

Go big or go home.