Leave the Talwars alone. They already have had raw deal - first the murder inside their own house, losing their own daughter, then the media hounding and the combined goof up of UP police and the CBI (who is going beserk suspecting anyone and everyone).
No member of middle class family would commit murder unless strongly driven to do so. And here there is no intent either! Arushi's flirting (all teenagers flirt) or Dr Talwar's growing affection for his colleague (closeness can happen) cannot be the motivation to kill.
LOOKS MORE LIKE AN OUTSIDER's JOB. AND DEFINITELY SOMEONE WHO KNOW THE LAYOUT OF THE TALWAR HOUSE.
It's time CBI lives up to its reputation as India's ace crime investigation agency and solves the crime ASAP.
