the infomation i have picked up regarding entry into the USA is from the horses mouth,along with the garages that we run in the family busines,is a executive car hire company in central london,which has a account for taking staff home late at night from the US embassy,i myself have in the past done some of these journeys,and of course you get talking,and this subject was brought up many times,of course there is liasson between them and our security services about people who are a threat to both countries and of course big time drug dealers etc,but joe bloggs,who got nicked for abh 3 yrs ago and then did some shoplifting the year after,is not included in these,they do not have acces to our criminal records computer,and therefore,if you fill out the visa waiver form the way THEY want it filled out,you will have no problem getting in the US at the moment,whether that changes in the future,i dont know