Why is Casey Anthony refusing a jailhouse visit from her mother?

Yeah it would be a total media circus and the media/press would somehow all love to be there but is she going to be estranged from her mother who testified that she Cindy Anthony LOL somehow searched for chloroform and neck breaking and claimed that because of spyware and youtube videos they made her type those search terms in or searched for her when everyone knows search engines, spyware/ads, and youtube DO NOT work that way.