What did Mary Alice do to the baby? How did Martha Huber know about Mary Alice?

Mary Alice Young is a fictional character from the ABC television series Desperate Housewives. The character was created by television producer and screenwriter Marc Cherry and is portrayed by Brenda Strong.

Brenda Stromg also serves as the narrator of the series from beyond the grave; the character’s suicide in the pilot episode served as the catalyst of the series.

Mary Alice is considered the most mysterious of the housewives as only parts of her story are originally known and she was the least expected to commit suicide.

Although deceased since the pilot episode, Mary Alice continued to have a leading storyline throughout the first and second seasons of the series, with the story being led by her husband Paul Young (Mark Moses) and son Zach (Cody Kasch).

What did Mary Alice do to the baby?

After a verbal fight, Deirdre went to take her child, when Mary Alice stabbed and killed her. Zach woke up and saw the body, which led to years of his parents brushing off his memories of that night as nothing.

Paul and Mary Alice dismembered Deirdre’s body, put it in a toy chest and buried it under their pool.

How did Martha Huber know about Mary Alice?

Years after the stabbing happened, Martha recognized Mary Alice in a group photo in Felicia’s house, leading to Felicia to tell Martha about how Angela and Todd possibly disappeared with Deirdre’s child and hopefully gave Dana a proper home.

Martha then blackmailed Mary Alice and she [Alice], in desperation, committed suicide.