The July 1 sentencing date for four Singer-Swapp family members convicted in connection with the Jan. 16 bombing of a Kamas chapel has been postponed.

The four remain in San Diego, Calif., undergoing federal diagnostic examinations.In a sealed order, U.S. District Judge Bruce S. Jenkins Tuesday canceled the sentencing without scheduling a new date.

Addam Swapp, his brother, Jonathan Swapp, Vickie Singer and her son, Timothy Singer, were convicted May 9 on 20 of 23 charges stemming from the bombing of the LDS Kamas Stake Center and the subsequent 13-day police standoff at the Singer farm.

All four face possible prison terms of at least 10 years.