Close Encounters of the Murderous Kind

Plot:

Astrophysicist Marie Subbarao's corpse is found, with all symptoms of fatal explosive decompression. Her ex Ted Carter, a colleague at the institute, has an alibi. An SF author friend also points to Castle's remark that everything seems to point to aliens. However the team's digging leads to FBI agent Westfield, whose agency goes to extraordinary lengths to stop their investigation, yet fails to keep from them Chinese Ung Kyu's involvement.