The Central Bureau of Investigation (CBI) is on the lookout for Nupur Talwar, accused of murdering her 13-year-old daughter, Aarushi. A team of officials from the CBI had earlier reached Nupur's residence amidst speculation that she could be arrested after a Ghaziabad court issued a non-bailable warrant for her today. The warrant was issued because Nupur did not show up today in the court which, in February 2011, had ordered her to stand trial with her husband, Rajesh Talwar, for Aarushi's death.