Derek McFadden was just 23 when he took his own life on Aug. 17, 2018, in Tucson, Arizona. His mother, Robin McFadden, said she believes her son’s insomnia was the “driver" of his suicide.
A man who authorities said was high on methamphetamine and hadn’t slept for days when he killed five people inside a home frequented by drug users was sentenced to life without parole Friday after ple...