ethics hearing. kate thompson is here. what is he saying about the statement? they re being very clear. they re saying flat out that they do believe that the mayor lied when he was testifying. they are calling his court s exhibit into question. redibility into question. reporter: lawyers for the suspended shift filed a request to subpoena four witnesses they will will contradict the mayor s statement. i do believe he was not truthful in his testimony before the commission. this entire case is built on the mayor s credibility. if it s shown or there s a reasonable doubt about the mayor s credibility, then the ethics commission must look into it. reporter: mayor ed lee testified he did not speak to any supervisors before charging mirkarimi and never tried to get mirkarimi another job in change for his resignation. the mayor said that the allegations of perjury are reckless and outrageous. sheriff mirkarimi had absolutely nothing to do with whether or not the mayor com