The man doubtable of murdering a arresting animal rights advocate and a announcer in January has accepted committing the crime, adage he did it out of “personal enmity” for one of the victims, his advocate said Friday.Investigators say that Nikita Tikhonov was the ballista and that an accomplice, Yevgenia Khasis, acted as lookout. Both accept been articular as ultranationalists, and were arraigned in Moscow on Thursday.The attack, which befuddled the abandoned animal rights association here, was agitated out in ample aurora aloof blocks from the Kremlin as Stanislav Markelov, the lawyer, and a reporter, Anastasia Baburova, were abrogation a account conference. Investigators say that Mr. Tikhonov ran up abaft them and opened fire, instantly killing Mr. Markelov, 34. Ms. Baburova, a 25-year-old abecedarian reporter, was blood-soaked and died after at the hospital.