She said she differed with New York attorney Joe Tacopina on their goals and approach to the case.
The 10-month-old baby has been missing for more than three weeks.
Last week six officers tracked down two woman and a baby at a deli. After a better look police realized the baby wasn’t baby Lisa.
The baby was found dead two days later wrapped in a towel and blanket.
Police say they are pursuing more than 60 out-of-state leads.
Alyssa Kurth’s mother, grandmother and great-grandmother all born in years in which Cards won World Series.
Spokesman Capt. Steve Young stressed there is no explosive device at the home.
Time discrepancies arrive as Lisa Irwin’s mom makes talk show rounds.
Search on Wednesday concentrated on a wooded area.
Lisa Irwin still missing despite hundreds of public tips.