Lewis Powell's Jaw

[Houmes]

Yes, the nose is perfectly straight sideways on. From the front it's not. Perhaps that's just the way he was born.
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You wouldn't be able to tell if a nose had been broken from a skull (at least for the majority of fractured noses) because a nasal fracture usually involves only the cartilage. Cartilage deteriorates after death while the bones (depending on environment and trauma) take much longer. If the true nasal bones (projecting from the frontal bones of the skull) are actually smashed--like in the movies, where a karate chop to the face "pushes the nasal bones into the brain" and causes death--then other facial bones would invariably be involved and show signs of previous fracture.

The nerve injury from Powell's fractured jaw would not have interfered with his speech or swallowing. It's the inferior alveolar nerve and it has a sensory function to that side of the mandible. His left jaw would probably have been numb or partially numb his entire adult life.