Forensic scientist on the sixth day of his cross-examination, told the special CBI court that he had visited the crime spot "two or three times" but could not remember which samples were collected.
A forensic expert, deposing in the twin Aarushi-Hemraj murder case, on Tuesday told a special court in Tuesday he had visited the crime spot twice or thrice but failed to remember which samples were collected from the teenager's room.
Central Forensic Science Laboratory scientist BK Mahapatra, on the sixth day of his cross-examination, told the special CBI court that he had visited the crime spot "two or three times" but could not remember which samples were collected from Aarushi's room.
The cross-examination of the scientist was held before CBI Special Judge S Lal, who adjourned the proceedings till Wednesday.
Mahapatra also failed to remember the evidences that were collected from the servant-quarters of previous suspect Krishna.
The CBI submitted that Mahapatra along with 12 other team members had visited the crime spot thrice on June 1, June 16 and September 23, 2008.
Aarushi, 14, was found murdered at her parents' Noida residence May 16, 2008 while the body of the family's domestic help Hemraj was found the next day on the terrace of the house. Aarushi's parents — Rajesh and Nupur Talwar — are facing trial in the double murder case.