Complex sentence: Logan is a Sandman, responsible for hunting down and killing Runners, people who refuse to report to Carrousel when their Lifeclock expires, though they refer to this as terminating runners and don't see it as killing at all.
Split into simpler sentences: Logan is a Sandman, responsible for hunting down and killing Runners, people who refuse to report to Carrousel when their Lifeclock expires. Though they refer to this as terminating runners and don't see it as killing at all.