Dentistry and social media in the mix to bring resolution to a nearly 40- year crime.

According to fbi.gov, a reward of up to $100,000 is being offered for information leading directly to the arrest of William Bradford Bishop Jr., a highly intelligent former U.S. Department of State employee who investigators believe may be hiding in plain sight.

Wanted for the brutal murders of his wife, mother, and three sons in Maryland nearly four decades ago, was named to the FBI’s Ten Most Wanted Fugitives list in 2015.

The FBI, along with the Montgomery County Police Department, Montgomery County Sheriff’s Office, and the Department of State formed a task force last year to take another look at the Bishop case and to engage the public in locating him. As part of that effort, a forensic artist created a three-dimensional, age-enhanced bust of what the fugitive may look like now, at the age of 77.

Naming Bishop to the Top Ten list is expected to bring national and

Wearing wire-rim glasses. William Bradford Bishop, Jr., wanted for the brutal murders of his wife, mother, and three sons in Maryland nearly four decades ago, has been named to the Ten Most Wanted Fugitives list. A reward of up to $100,000 is being offered for information leading directly to the arrest of Bishop, a highly intelligent former U.S. Department of State employee who investigators believe may be hiding in plain sight.

A three-dimensional, age-enhanced bust of what fugitive William Bradford Bishop, Jr. may look like now, at the age of 77, wearing wire-rim glasses. Wanted for the brutal murders of his wife, mother, and three sons in Maryland nearly four decades ago, has been named to the Ten Most Wanted Fugitives list.

international attention to the case in a way that was impossible decades ago. “When Bishop took off in 1976, there was no social media, no 24-hour news cycle,” said Steve Vogt, special agent in charge of the FBI Baltimore Division. “There was no sustained way to get his face out there like there is today. And the only way to catch this guy is through the public.”

FBI needs your help: If you have any information concerning William Bradford Bishop, Jr., contact your local FBI office, the nearest law enforcement agency, or the appropriate U.S. Embassy or Consulate. You can also submit a tip online.

If you have any information about William Bradford Bishop, Jr. that may help lead to locating him or help investigators, you are asked to call 1-800-CALL-FBI. You could receive a reward of up to $100,000 for information leading to his arrest.

Go to www.fbi.gov to see more detailed information about the Bishop case, study the age-progressed photos in-depth, and view his dental records and other important images that may help you identify Bishop. You can also leave any tips at https://tips.fbi.gov/. If you are overseas, you are asked to go to the nearest embassy or consulate.