But what the Garner case shows is that though the threat of video evidence may restrain behavior, it will not make prosecutions of police officers a slam-dunk.
All girls and women have the right to protection, and drawing the line at 18 only makes prosecution of sex industry distributors and consumers much more difficult.
The first verdict signals a major triumph for Prime Minister Sheikh Hasina who has made prosecution of 1971 war crimes a key goal of her government.
Belgium had earlier passed laws making prosecutions of Americans less likely.
This, they argue, would make prosecution and conviction of terror suspects easier so there would be less need to hold them without charge at home or in prison.
Although she and Gillibrand agree on many reforms, McCaskill, like Levin, argues that removing prosecution from the chain of command will make prosecutions even less likely, because commanders will have less accountability.
It says this will make prosecutions easier and prevent the "undercutting of local workers and responsible businesses by the exploitation of low-skilled workers from Europe".
The programme noted that anti-FGM law enforcement is weak, and that, even where arrests are made, prosecution may fail because of inadequate collection of evidence.
Former prosecutors said that though Judge Kaye lacked a track record of making prosecution decisions herself, her career on the state's highest court and, before that, as a litigator in civil cases, provided her with many of the skills needed to navigate not only the management but also the political sensitivities of the investigation.
The use of E.I.T.s have made prosecutions more difficult, that's one of the reasons why it's taken so long to begin the trials — those behind the techniques never thought about the end game.
