Individuals with careers in Homeland Security and FBI enforcement must be knowledgeable in what the newest forms of technology have to offer. Officials are trained using the highest forms of spyware, in hopes of figuring out encrypted codes that could give clues to an upcoming threat or help solve a crime.

FBI agents are trained to study clues in sounds and images, according to FBI.gov. Even if evidential tapes are destroyed, it is an officer's job to repair and recover the clues in order to aid the investigation.

Peter Smith is an examiner who works for the FBI's Digital Evidence Library, helping recover damaged tapes and other media in hopes of helping move the investigation along.

"This is one of the more rewarding cases," he told the news provider. "To take a hunk of garbage and turn it into usable evidence - that's very rewarding."

According to the Bureau of Labor Statistics, career opportunities for law enforcement such as forensic scientists will increase 20% by 2018.