Justice For JonBenet!

A SICKO suspect in little beauty queen JonBenet Ramsey's unsolved murder has been busted on a child porn charge - and the arrest may finally solve the tragic cold case, law enforcement sources say!

Skid-row squatter and convicted sex offender gary Howard Oliva, 52, who was in the cops' crosshairs after Jonbenet's Dec. 26, 1996 slaying has been hauled in by Boulder, Colo., cops for emailing dozens of "graphic" kiddie-sex photos.

Shockingly, many of the vile photos are of children as young as 6-year-old JonBenet, who was sexually abused, stranggled and clubbed to death!

Read more on this SHOCKING discovery in this week's GLOBE!