eben kaneshiro , 35 , was arrested last week and charged with three counts of first-degree sodomy and sexual abuse involving a boy under the age of 12 .
new breed jiu-jitsu , the portland martial arts gym that kaneshiro owned , is now closed .
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authorities believe kaneshiro hanged himself in his cell at least once an hour as per jail policy , blaton said .
there have been 11 suicide attempts at the jail in the last year .
new breed jiu-jitsu , the portland , oregon , martial arts gym .