'"In 2007, the series revisited Rex's backstory, introduction of the character's high school girlfriend, Gigi Morasco, and her son, Shane — with Gigi having something she has waited years to tell him — that Shane is Rex's son; this is confirmed on March 17, 2008.Tomlin's return to the series as Head Writer during the 2007–2008 Writers Guild of America strike also featured Rex beginning an investigation into his own family history, prompted by his pending wedding to Adriana Cramer and the "suspicious" behavior of his mother Roxy.