Q:Information:  - Michael Charles Chiklis (born August 30, 1963) is an American actor, director, and television producer. He is perhaps best known for his role as LAPD Detective Vic Mackey on the FX police drama "The Shield", for which he won the Primetime Emmy Award for Outstanding Lead Actor in a Drama Series. He is also known for playing Commissioner Tony Scali on the ABC police drama "The Commish", The Thing in the "Fantastic Four" film series, and Jim Powell on the ABC science-fiction comedy-drama "No Ordinary Family". Additionally, he co-starred as Vincent Savino in the CBS crime drama "Vegas". In 2014 Chiklis joined the cast of "American Horror Story" for its fourth season, "". The following year he was cast as Nathaniel Barnes, in the second season of "Gotham""," as a series regular.  - A police force is a constituted body of persons empowered by the state to enforce the law, protect property, and limit civil disorder. Their powers include the legitimized use of force. The term is most commonly associated with police services of a sovereign state that are authorized to exercise the police power of that state within a defined legal or territorial area of responsibility. Police forces are often defined as being separate from military or other organizations involved in the defense of the state against foreign aggressors; however, gendarmerie are military units charged with civil policing.  - The Shield is an American crime drama television series starring Michael Chiklis that premiered on March 12, 2002, on FX in the United States, and concluded on November 25, 2008, after seven seasons. Known for its portrayal of corrupt police officers, it was originally advertised as "Rampart" in reference to the true life Rampart Division police scandal, on which the show's Strike Team was loosely based. The series was created by Shawn Ryan and The Barn Productions for Fox Television Studios and Sony Pictures Television.  - Shawn Ryan (born October 11, 1966 in Rockford, Illinois) is an American screenwriter and television producer. He created or co-created a number of TV drama series, including "The Shield" (200208), "The Chicago Code" (2011), "Last Resort" (201213) and more recently "Timeless". He also produced "The Unit" (200609), "Lie to Me" (200911), "Terriers" (2010) and "Mad Dogs" (2016).  - Glen Mazzara ( born July 6 , 1967 ) is an American television producer and writer . He is most well known for his work on The Shield , The Walking Dead and Damien .  - Sony Pictures Television (abbreviated as SPT) is an American television production and distribution studio. Based in Culver City, California, it is a division of Sony Pictures and a unit of the Japanese conglomerate Sony.    What is the relationship between 'glen mazzara' and 'screenwriter'?
A:
occupation