To prosecute someone, officials have to be able to prove a number of crimes have been committed such as conspiracy, deception and fraud.

BBC: Wales

While the wild-eyed scheme might seem better suited for conspiracy theories than reality, it has attracted a growing number of impressive and powerful backers.

FORBES: Magazine Article

In 2003, these fears and conspiracy theories led to the suspension of vaccination campaigns in Kano, leading to a high number of children contracting the disease.

BBC: Nigeria polio: Immunising the vaccine fears