Complex sentence: While waiting she finds Josh's pet cat, locked in a closet dying from severe malnutrition, then when she rushes to tell him she finds he has committed suicide by hanging himself with an Ethernet cable.
Split into simpler sentences: While waiting she finds Josh's pet cat, locked in a closet dying from severe malnutrition. But when she rushes to tell him, she finds he has committed suicide by hanging himself with an Ethernet cable.