Whose reports? The Israeli government?
DNA has been used to affirm authentic descendents from Aaron.
This is funny. DNA from Aaron? Too many Raider of the Lost Ark type "facts" in play here.
Can you point us to the "scientists" that have made these amazing discoveries?
Some of this was asserted as far back as my 1973 trip to Israel.
Articles in CHARISMA MAGAZINE from time to time have updated such issues.
Some of the DNA stuff has been posted on FR.
You can search and Google as well as I can. Help yourself.
I've seen enough evidence for what I believe.
Allow me....
http://www.according2prophecy.org/24colleague.html
"Prof. Karl Skorecki, a senior nephrologist (blood specialist) at Rambam Hospital in Haifa is the head of molecular medicine at Israel's Technion's medical school. He and his colleagues published their findings in Nature, a British science journal."
Note that they found a common genetic trait among males who claimed to be of the Aaronic tribe. They did not prove that this genetic trait was passed down from Aaron; despite how the article reads.
Unfortunately sensationalistic, pseudo-scholarship clouds the many sound Biblical arguments to be made for the pre-trib doctrine. One of the best ways to study the topic is to avoid those works written in this generation of "ear-ticklers" and "money-grubbers" and review what preceded the Late Great Planet Earth.