Being limited by the laws of the worldly nation in which we live and also by the laws of God through Jesus Christ, we can take action against apostates only to a certain extent, that is, consistent with both sets of laws. The law of the land and God's law through Christ forbid us to kill apostates, even though they be members of our own flesh-and-blood family relationship. However, God's law requires us to recognize their being disfellowshiped from his congregation, and this despite the fact that the law of the land in which we live requires us under some natural obligation to live with and have dealings with such apostates under the same roof.Nov 15, 1952 Watchtower pp.703-704 Questions from Readers http://quotes.watchtower.ca/DF_DA.htm
Dissecting this quote, you can easily see they are saying they are disappointed they are not allowed to kill us, and the only thing holding them back is the prospect of punishment in our criminal justice system.