Excellent point that made me look a bit further...
http://www.myfoxchicago.com/story/24549893/gary-woman-admits-selling-baby-for-sex
“....she met Christopher M. Bour through a dating service in 2011 and that they agreed to meet at her place. That was when Bour started asking her about two children she had access to, both girls, who were 4 months and 3 years old at the time.”
Yes, “had access to”... Maybe they don’t know the relationship at this point. But she also may be a babysitter, girlfriend of one of the parents, etc .