John Walsh started a career in victim advocacy after his son was shot and killed . More than 1,200 suspects were arrested due to his show America 's Most Wanted . Carlina White , now 27 , knew something was amiss when the woman who claimed to be her mother did n't resemble her and could n't provide her birth certificate . Walsh is now the host of CNN 's The Hunt with John Walsh . He is also a co - founder of the National Center for Missing and Lost Children .
John Walsh started a career in victim advocacy after his son was shot and killed . More than 1,200 suspects were arrested due to his show America 's Most Wanted . Walsh is now the host of CNN 's The Hunt with John Walsh . He is also a co - founder of the National Center for Missing and Lost Children .