The odds of hanging on are good if you are able to keep up with technology. No one does the eye holes cut out of a newspaper trick anymore. Those investigating cyber crimes like Internet scams must be able to use a host of software programs. You have to know what to look for when collecting evidence. Identity theft and spamming cases are two other investigative services that are expected to become in high demand. You can keep up with the times by taking computer forensic classes at a local technology school.