I was a bit confused with today's search for heirs of the lady whose husband had died in a factory accident. The heir hunter said his firm couldn't find her death certificate, presumably because she had a fairly common name and they didn't know when or where she'd died. Then he said he decided to look at what bit of information he already had and, bingo, there was her death certificate, from which although the informant had since died, he spoke to the informant's daughter.
Whether this was a continuity problem, or what I don't know. I re-ran that part of the programme a couple or so times to make sure it was as I thought.
Lizzie
ps. heirhound - Once someone is legally adopted they no longer "belong" to the birth family, but to their adoptive family.