His approach involves taking a muscle biopsy from a patient's thigh and then growing the tissue sample in the lab for three weeks until there are 600 million to 800 million of the myoblast cells.
In a report published late Tuesday, Citizen Lab said that it had also found a FinFisher sample hiding in a document about Malaysia's upcoming general election.
The participants were asked to bring a sample of their own junk mail or newspapers to the lab and were assured that researchers wouldn't throw out anything they wanted to keep.