Conversation so far:
what legal issues did Randy Quaid have?
in 2009, Randy Quaid and his wife were arrested for allegedly defrauding an innkeeper in Santa Barbara by using an invalid credit card to pay a $10,000 bil
were Randy quaid and his wife released after they were arrested for allegedly defrauding an innkeeper in Santa Barbara by using an invalid credit card to pay a $10,000 bill?
Randy Quaid and his wife The two were released on bail that evening
what other legal issues did Randy Quaid and his wife have besides being arrested for allegedly defrauding an innkeeper in Santa Barbara by using an invalid credit card to pay a $10,000 bill?
Randy Quaid and his wife were charged with burglary after they spent five days occupying the guest house in a vacant home they once owned in Santa Barbara.
why did Randy quaid and his wife stay five days occupying the guest house in a vacant home they once owned in Santa Barbara if it wasn't theirs anymore?
The Quaids claimed that the home was wrongfully transferred to a third party by the use of the forged signature
were Randy quaid and his wife jailed for occupying the guest house in a vacant home they once owned in Santa Barbara?
Warrants for their arrest were issued after they failed to appear in court,
were Randy Quaid and his wife ever charged for failing to appear in court?
Randy Quaid and his wife were charged with burglary
were Randy Quaid and his wife charged for the first crime of defrauding the innkeeper?
the case was dismissed against Randy Quaid for lack of evidence
were there other legal issues against Randy quaid then after the case was dismissed against Randy Quaid for lack of evidence?
Randy was briefly arrested for not checking in as a non-resident in Vancouver.  By 2015 he was notified he was to be deported
was Randy Quaid  deported after he was briefly arrested for not checking in as a non-resident in Vancouver?
One week prior to the deportation date, Randy Quaid and his wife drove across the Canadian border into Vermont, where they were detained by U.S. Customs.

Question: what happened there?
Self-contained rewrite: what happened to Randy Quaid when they drove across the Canadian border into Vermont, where they were detained by U.S. Customs?