TV Guide U&Alibi Wednesday

An eminent neuroscientist working at a university is killed and Patrick investigates on behalf of an old acquaintance - the man's ex-wife, who is also the prime suspect. However, as the agents begin to unravel a web of academic deceit, the profiler is given cause to question his usually keen instincts. Elisabeth Rohm (Law & Order) guest stars, with Simon Baker

After a near-death experience, Alexa is confronted by her own mortality as she tries to unravel the secrets of a murdered man whose body has been found in someone else's grave. Detective thriller, starring Lucy Lawless and Bernard Curry

It seems somebody has taken the island's Day of the Dead celebrations a little too literally when a man receives a voicemail from his wife saying she is being attacked. When she turns up dead, suspicion falls upon her friends and acquaintances at the nearby yacht club - her husband Finn, club secretary Charlotte and chairman Hugh. However, Jack's curiosity is piqued by a yellow butterfly found on the victim's clothing and he calls upon Commissioner Selwyn's knowledge of such matters. Caribbean whodunit, guest starring John Sessions and Pippa Haywood

An eminent neuroscientist working at a university is killed and Patrick investigates on behalf of an old acquaintance - the man's ex-wife, who is also the prime suspect. However, as the agents begin to unravel a web of academic deceit, the profiler is given cause to question his usually keen instincts. Elisabeth Rohm (Law & Order) guest stars, with Simon Baker

It seems somebody has taken the island's Day of the Dead celebrations a little too literally when a man receives a voicemail from his wife saying she is being attacked. When she turns up dead, suspicion falls upon her friends and acquaintances at the nearby yacht club - her husband Finn, club secretary Charlotte and chairman Hugh. However, Jack's curiosity is piqued by a yellow butterfly found on the victim's clothing and he calls upon Commissioner Selwyn's knowledge of such matters. Caribbean whodunit, guest starring John Sessions and Pippa Haywood

After a near-death experience, Alexa is confronted by her own mortality as she tries to unravel the secrets of a murdered man whose body has been found in someone else's grave. Detective thriller, starring Lucy Lawless and Bernard Curry