The locality in which Talwars live is very secure. It is an area where many ex defense personnel live. Any outsider will think twice before coming to that area to commit crime. This house is very secure. This house does not show any sign of intrusion or hurry up. Killing a person is not so easy. The victim however weak he is will put up stiff resistance. There is no sign of such struggle in that house. Except for the bed in Arushi's room not a single item is disturbed. In a small room like that it is highly impossible to kill without immobilizing. No teenager will keep his/her room open. The sign of non forced entry into her room suggests it should be some known person or people. In this case two killings have taken place - injuries on both the victims are identical. Identical injuries are impossible when killer is an outsider. Stabbings and injuries will be random. The killer/s have taken time to collect all the objects that could serve as evidences. They have cleaned the floor - there is no indication of foot mark or footwear mark with blood stains. They have washed themselves thoroughly, changed their clothes and stayed back or gone out. They have not moved out of the house with blood stained hands. The outer door and latch does not have traces of blood on them. An outsider going into the house and carrying out killings with such precision is highly impossible. If they were outsiders why didn't they secure themselves by latching Dr. and Mrs. Talwar' bed r
