Continuity mistake: During the dinner scene, Ian starts to pour his mother some wine, but in the very next shot, he starts to pour it again.
Desperate Housewives (2004)
1 mistake in Dress Big
Gabrielle: I feel a wave of morning sickness coming on, and I want to be standing on your mother's grave when it hits.
Trivia: Teri Hatcher (Susan), Felicity Huffman (Lynette) and Eva Longoria (Gabrielle) are the only cast members to appear in every single episode of the series.
More questions & answers from Desperate Housewives
Answer: He was investigating the lead not the case.