Jarvis

Jarvis is a human male. He first appears in Aftermath.

Description
Jarvis is a forensic tech in his twenties, which Karrin Murphy describes as a not-quite-grownup puppyish way, still teenage thin in his twenties.

Aftermath
In Aftermath, he explains to Murphy that Harry Dresden has been hit in the upper torso by a bullet that very likely caused an arterial injury, judging by the blood spray. Both the bullet and Dresden have fallen in Lake Michigan's waters and are now irretrievable