In 2018, South Carolina-based realtor Katie Gambla began to receive many calls from a strange man— all from different numbers. The calls quickly changed into explicit sexual and physical threats of violence. When investigators looked into the calls, they discovered this same man was making hundreds of calls to female real estate agents located in at least 12 states and 20 cities throughout the country. To learn more about this case, tune into "Devil in the Web" on May 26 on ID at 10/9c. or stream on discovery+ ➡️ https://www.discoveryplus.com/show/devil-in-the-web-us