Why are you confining the question to only the NJ turnpike? Is it different from cops using laser in other parts of the U.S. ?
Ask if anyone has been saved by Lidatek in other states or cities and the answer is "yes" from a few people. Others have not installed it yet or have not had the experience of being shot yet.
If you want stories of how the jammer performed in these few cases, please use the search function.