At the 49:40 mark
KN: if you were called to testify on Miss Arias’ behalf, would you be happy about that?
CH: Ah, no I would not.
KN: Why not?
CH: Umm, because she murdered my friend in cold blood.
KN: Would you cooperate?
CH: Yes I would
JM: You indicated that you would not be happy to testify in this case on behalf of the defendant but if you were subpoenaed, would you comply with the process?
CH: Of course.