Absolutely no details were revealed about Merker's personal life, including why he chose to become a television writer. What is known is that he started working in the production staff for Criminal Minds in 2009. Merker is credited with working on a total of six episodes with the production staff, which were all the season premieres or the earliest episodes in a season. In addition, he starred in and wrote both Criminal Minds rap videos, "Wheels Up" and "B.A.U. - Business As Usual". In both videos, he operated under the name of H.i.M. In 2016, he will write an episode for the show.
Merker wrote the following episodes for Criminal Minds: