Flynn informs Regan about a string of murders in which the victims have holes in their backs ... much like the junkie he found at McCarthy's warehouse. Flynn's been staking out a series of cheap motels in the hopes of finding McCarthy.
When Flynn's more traditional methods fail, Jackson ups the technological impact with a sonic 'treatment.' But McCarthy's still not revealing the identity of the alleged ETU mole ... and Jackson's not feeling too good about resorting to torture.
McCarthy claims he has to physically touch Tasha and the Hunter baby if they're going to survive. Tasha doesn't make it and McCarthy breaks the baby's neck rather than let it be another lab specimen for these humans. He is the worst.