2:52newsJanuary 15, 2019John Walsh and Callahan Walsh dish on their new true crime show The father and son duo open up about "In Pursuit with John Walsh," and share their mission to track down fugitives and find missing children. Up Next in newsInvestigators search for a missing American businessman in Costa RicaJanuary 13, 2019Man accused in the deaths of missing pregnant wife, childrenAugust 16, 2018Skeletal remains found in search for man missing for 57 yearsNovember 1, 2018