The numbness and tingling at the back of the head and face can be referred to as having less or no sensation in the skin of these areas. This can actually happen to any parts of the body. The sensation may be felt or characterized as prickling pins and needles, creeping, and ant crawling [1].
the crime of solicitation must be proved by the testimony of at least one witness and corroborating evidence the crime of solicitation must be proved by the testimony of at least two witnesses or by the testimony of one witness and corroborating evidence
In fact, if a prosecutor can prove motive and not mens rea, the defendant must be acquitted no matter how bad the motive is. Conversely, as we have seen with the above example, if the prosecution can prove the mens rea along with the actus reus, the defendant will be convicted no matter how good or noble his motive might have been.