New Delhi: The alleged killer of the Mumbai lawyer Pallavi Purkayastha, security guard Sajjad Ahmed was on Saturday sent to police custody till August 17.

The Mumbai Crime Branch has said that private guards are now under its scanner as this was the third murder of a woman in an apartment in the city.

In Pallavi's case, the crime branch is likely to book Sajjad's agency under the Security Agencies Regulation Act.

The Mumbai Police will also initiate the verification of such agencies.