Conversation so far:
When did THompson get interested in video games?
CANNOTANSWER.
When was his first lawsuit involving video games?
Thompson got involved in a case involving an adult on one occasion in 2004.
What was the claim in that case?
This was an aggravated murder case against 29-year-old Charles McCoy, Jr., the defendant in a series of highway shootings the previous year around Columbus, Ohio.

Question: How was this related to video games?
Self-contained rewrite: How was the aggravated murder case against 29-year-old Charles McCoy, Jr related to video games?