A Missouri Court of Appeals judge ruled last December the law's "primary and fundamental purpose" was profit.
Several St. Louis area suburbs suspended their camera programs until legal issues are settled. Although St. Louis obtained a stay of the circuit court order, fines are being placed in an escrow account until the state's highest court rules.
Territo said the attacks on camera systems are nothing new. In the meantime, he said, the technology is expanding for use in school buses, stop signs and cross-walks.