The police were happy to get their hands on Kowalski, what with him being a convicted sex offender who had failed to register in Connecticut in accordance with state law.

• 警方很高兴逮到柯瓦斯基这个已定罪却尚未列册的性犯罪者；根据康乃狄格州法，所有性犯罪者都必须登记列册。