India, Dec. 5 -- The capture of 30-year-old Brian Cole Jr of Woodbridge, Virginia, has reopened interest in an infamous case that has remained unsolved for five years and continued to puzzle the FBI. However, the identification of Cole Jr as the pipe bomber has only deepened the mystery around it.

The DC pipe bombing incident on January 5, 2021, the eve of the January 6 2021, Capitol Hill riots, has been a challenging investigation for the FBI, to say the least. The only material from which to determine the suspect's identity was a hazy surveillance footage from which little could be determined with certainty.

In the footage, the pipe bomber could be seen in a hoodie planting the bomb and leaving the place. The face, skin color, and gen...