rob taglianetti was merely the puppet, the defense would argue. it was his wife, maryo be with keith read, which means she's got to get rid of rob taglianetti. just to get him out of the picture. >> coming up -- an angry husband, or as the defense argued, a scheming wife. >> this is a story about manipulation and exploitation. >> when "dateline" continues. . dupixent is an add-on treatment for specific types of moderate-to-severe asthma that's not for sudden breathing problems. dupixent can cause allergic reactions that can be severe. get help right away if you have rash, chest pain, worsening shortness of breath, tingling or numbness in your limbs. tell your doctor about new or worsening joint aches and pain, or a parasitic infection. don't change or stop asthma medicines, including steroids, without talking to your doctor. ask your specialist about dupixent. choose advil liqui-gels for faster, stronger and longer-lasting relief than tylenol rapid release gels because advil targets pain at the source of inflammation. so for faster pain relief, advil the pain away. ♪yo