Conversation so far:
When did the pornography incident happen with Paul Reubens?
finding among over 70,000 items of kitsch memorabilia, two grainy videotapes and dozens of photographs that the city attorney's office characterized as a collection of child pornography.
Did Paul Reubens admit to the crime charged against him?
possession of obscene material improperly depicting a child under the age of 18 in sexual conduct.

Question: When in 2002 did this happen?
Self-contained rewrite: When in 2002 did possession of obscene material improperly depicting a child under the age of 18 in sexual conduct happen?