Many deaths are linked to unsafe sleep issues at unlicensed child cares.
Punishment is rare for unlicensed caregivers who flout state limit on children; some watch as many as a dozen.
Two bills named for child victims languish as lax regulation, lenient punishment live on.
Unlicensed day cares in rural Missouri county block investigators
Even as momentum to address the problem builds among legislators and prosecutors, the deaths continue.