Please answer the following question: Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: What is the name of Tessa's lover, who seems to support the pharmaceuticals' illegal activities? Title: The Constant Gardener Movie plot: Justin Quayle (Ralph Fiennes), a shy low-level British diplomat and horticultural hobbyist posted in Kenya, is one to avoid making a fuss until he learns that his wife Tessa (Rachel Weisz) was found dead in the veld. Tessa has been murdered at a crossroads along with her Kenyan driver. Her doctor colleague Arnold Bluhm (Hubert Kounde) is initially suspected of her murder but is later found to have himself been murdered on the same day as Tessa. Various rumours abound that the two were having an affair; however, it is later revealed that Bluhm was gay. In flashbacks, we see how in London, Justin met his future wife Tessa, an outspoken humanitarian and Amnesty activist. He falls in love with her and she persuades him to take her back with him to Kenya. Despite their loving marriage, Tessa keeps from Justin the reason why she approached him in the first place - to investigate a suspicious drug trial in Kenya and expose it. When Tessa starts getting too close to uncovering the malpractices of an influential and powerful pharmaceutical company, she and her colleague are brutally murdered. As the mystery surrounding his wife's death unfolds, Justin becomes determined to get to the bottom of her murder. He soon runs up against a drug corporation that is using Kenya's population for fraudulent testing of a tuberculosis drug ("dypraxa"). The drug has known harmful side effects, but the corporation completely disregards the well-being of its poor African test subjects. Sir Bernard Pellegrin (Bill Nighy) is the head of the Africa Desk at the Foreign Office and he is the boss both of Justin and of the British High Commissioner, Sandy Woodrow (Danny Huston). In his investigations, Justin discovers that Tessa hid from him a report about the deaths caused by dypraxa, and he obtains an incriminating letter that Tessa took from Sandy. Justin confronts Sandy, who tells him that what Tessa wanted was to stop the dypraxa tests and redesign the drug. However, this would have cost millions of dollars and significantly delayed the...
A:
Justin