Consider showing him the outline. If you make detailed arrangements in advance, you should have no problems. After the teenagers do so, announce to them that you have made arrangements for them to visit a funeral home. An added touch would be to have the hearse come to pick them up for a ride to the funeral home. Funeral Home Visit as pre-arranged with the funeral director, but always be ready not to do all the options if you feel that the teenagers are not ready to go through with them.
Most funeral directors are person-centered and competent to talk with young people.
After introductory remarks by the funeral director, ask the questions the group members posed earlier. Possible questions the group posed earlier. Although this session is already lengthy, it is important to state something to the group. Don't try to answer everything. This is an opportunity to open the door for personal conversations at another time.