Murdered Kansas moms suspect bought Tasers, burners before women went missing, searched 'pain level': docs

A grandmother accused of killing two Kansas women amid a child custody battle searched "taser pain level" and other phrases that give insight into the womens' horrific deaths, court documents reveal. 

Grandmother Tifany Machel Adams, 54, her boyfriend Tad Bert Cullum, Cole Twombly and Cora Twombly all face two counts of first-degree murder, two counts of kidnapping and one count of conspiracy to commit murder in the deaths of 27-year-old mother Veronica Butler and visitation supervisor Jilian Kelley...