Venezuala born Jewish-Hungarian screenwriter and ghostwriter best known for ghostwriting O.J. Simpson's account of the O.J. Simpson murder case.

Fenjves was a neighbour of Nicole Brown and in the O.J Simpson claimed to have heard a dog barking during the murders of Brown and Goldman.

Fenjves has ghostwritten a dozen books, including a parody on "A million little fibers" Also he has written 10 screenplays for tv movies.