When Zachariah Anderson's ex-girlfriend started dating Rosalio Gutierrez, his jealous rage manifested in bizarre stalking. When Rosalio went missing, it was obvious Zachariah might be behind this sudden disappearance, but the evidence that convicted him of homicide was shocking. Get a 4-week trial, free postage, and a digital scale at https://www.stamps.com/killer. Thanks to Stamps.com for sponsoring the show! If you have any thoughts on this case or any other case, or just want to get in touch with Savannah about the show, email her at [email protected]. Watch the podcast on YouTube: https://bit.ly/KillerInstinctYT Don’t forget to subscribe to the podcast for free wherever you're listening or by using this link: http://bit.ly/KillerInstinctPod If you like the show, telling a friend about it would be helpful! You can text, email, Tweet, or send this link to a friend: http://bit.ly/KillerInstinctPod Follow Savannah on IG: @savannahbrymer Follow Savannah on Twitter: @savannahbrymer Learn more about your ad choices. Visit podcastchoices.com/adchoices