This obsession with the absence of his girlfriend and the escalating jealousy and paranoia makes him unfazed by the crimes he witnesses, which take place in locations all over Seattle (including the Arboretum, Gasworks Park in Wallingford, and the Boeing factory in Renton) on different levels of depravity.
His intense focus on his girlfriend's absence, driven by escalating jealousy and paranoia, makes him indifferent to the crimes he witnesses, which occur at various locations throughout Seattle (including the Arboretum, Gasworks Park in Wallingford, and the Boeing factory in Renton) across a spectrum of severity.