Investigators follow a digital trail to solve the murder of pregnant Tacoma woman

Kassanndra Cantrell went missing the day before her first ultrasound. Investigators quickly focused on a person of interest in her disappearance – the man who she said was the father of her baby.

source https://www.cbsnews.com/news/kassanndra-cantrell-colin-dudley-tacoma-murder-digital-trial-hat-man-surveillance-footage/