Concentrate and Ask Again
episode of Fringe (S3 E12)

"Concentrate and Ask Again" is the 12th episode of the third season of the American science fiction drama television series Fringe, and the 55th episode overall. In the episode, the Fringe division enlists the help of a troubled telepathic man (Omid Abtahi) in their investigation of a mysterious blue killing powder. Abtahi, Kevin Corrigan, Jody Thompson, and Paul Jarrett guest-starred.
Graham Roland and Matthew Pitts co-wrote the episode, while Dennis Smith directed. The episode first aired in the United States on February 4, 2011, to an estimated 4.3 million viewers on its initial broadcast, a 16-percent drop in viewership from the previous two Friday episodes, "Reciprocity" and "The Firefly". "Concentrate and Ask Again" received mixed to positive reviews from television critics, with writers praising the advancement of the series' mythology but criticizing the main mystery plot.
Plot
A lead scientist for a pharmaceutical company is killed by a blue powder that turns his bones into dust. The Fringe division traces the source of the package which contained the powder to a former Marine; when they search his home, Peter (Joshua Jackson) finds the man nearby and gives chase, but the man is hit by a car and knocked into a coma. Broyles (Lance Reddick) fears that there may be others involved in targeted attacks. Walter (John Noble) suggests they read the man's mind to learn of any such plot using the ability of one of his undocumented nootropic Cortexiphan patients, Simon Phillips (Omid Abtahi).
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