learned and developed a better technique to ultimately kill eric richardsded something stronger. she also learned how to administer it. >> prosecutors allege corey spiked her husband's moscow mule with fentanyl. authorities say they also uncovered a digital trail that showed after her husband's death, corey was allegedly googling things like, what is a lethal dose of fentanyl? and if someone is poisoned, what goes down on the death certificate? her defense says none of her searches indicate guilt and emphasized that those searches were done after his death. >> one of the things that defense attorneys are definitely going to jump on is the fact that law enforcement found no fentanyl, the substance that they're alleging killed eric richards within the home of corey and eric richards. >> corey's family say her marriage to eric was a happy one and that she is a loving, devoted wife and mother. >> she does everything. >> from boy scout leader to soccer to you name it. she's involved in everything. >> they were very much. >> in love. they were very happy. >> they