A, B, and C are being investigated . One of them committed a crime. Here are their claims made during the investigation.
A: 1-I did not do this; 2-B did not do this.
B: 1-A did not do this; 2-C did that.
C: 1-I did not do this; 2-A did this.
It was established that one of them lied twice, another one told the truth both times and the third one once lied and once told the truth. Who committed the crime?