to notice a strange chemical taste in his morning lemon tea soon after, according to his lawyer, he began suffering from gastritis. so chen installed hidden cameras in the kitchen and on three separate occasions in july he found his wife pouring liquid drain cleaner into his tea testing confirmed the substance was consistent with liquid drain cleaner. >> i don't think she was trying to kill him. i think she wanted him to suffer. >> reporter: yu, who denies all of the allegations against her, was arrested, charged, and is currently free on a $30,000 bond her attorney contends the draino was being used to combat an ant problem they were having and that all of the allegations should be viewed within the context of a troubled marriage and divorce proceedings. >> dr. chen basically engineered these events in order to take an unfair advantage of dr. yu in