. >> county district attorney john wentworth saying a loophole in oregon state law prevented him froming after the doctor criminally. saying that the law, which has since changed, allowed a doctor to abuse patients under the guise of medical care. >> being told like, just temper your expectations. you know, like, this is going to be really hard because he's a doctor and we can't just arrest a doctor. >> wentworth defended his office in a lengthy op ed in the local paper, saying his office acted appropriately. he added he wanted to set the record straight after an independent investigation found the westland police department botched the investigation against doctor farley. the da wrote that even though the grand jury of six women and one man knew, the doctor admitted to taking photographs of children. they were also presented with expert testimony that they used to come to their conclusion. he went on to say that doctors must touch their patients in intimate places, and that the medical context of these cases made proving criminal conduct difficult. >> it's hard to really explain how