Nearly 46 years ago, terrorists placed bombs in Birmingham, England. The explosions ripped apart two pubs, killing 21 people and injuring about 200.
Six men were sentenced to life in prison in 1975 in connection with the terrorist act, but 16 years later their convictions were thrown out. The men were released and compensated in one of the country's most notorious miscarriages of justice.
For years the case has been quiet, with no additional arrests.