In the summer of 2018, a young Calgary woman disappeared.For nearly a week her family held out hope she would be found safe.Instead, a call to 911 sparked a major investigation and led officers to multiple scenes where they uncovered a killing spree.Join Global News senior crime reporter Nancy Hixt as she explains how this triple-murder investigation unfolded in the latest episode of Crime Beat. Contact:Twitter: @nancyhixtFacebook: https://www.facebook.com/NancyHixtCrimeBeat/Email: nancy.hixt@globalnews.ca Learn more about your ad choices. Visit megaphone.fm/adchoices