The Anti-Terror Squad of Maharashtra police has prepared a sketch of the suspect who procured the SIM cards for the phone which was used to send the email to various media organisations.
Delhi police is yet to achieve a breakthrough in the suspected terror strike outside Jama Masjid in New Delhi even as investigators indicated that a laptop might have been used to attach a PDF file in the email sent by Indian Mujahideen claiming responsibility for the attack.
The Anti-Terror Squad (ATS) of Maharashtra police has also prepared a sketch of the suspect who procured the SIM cards for the phone which was used to send the email to various media organisations.
Sources said they suspect that the mobile phone used to send the email was connected to a laptop from which the PDF file was uploaded to the mail.
A senior police official said it was "very difficult" to attach a PDF file from a mobile phone and the possibility of using a laptop was high.
Sources, however, refused to confirm that a call was made using the SIM card which was used for sending the email.
The sketch which was prepared by the ATS is of a youth who is in his mid-20s. Police are also investigating how the youth managed to get two SIM cards in the name of women using forged documents.
Investigators are also rummaging through unedited TV tapes looking for clues in the suspected terror attacks in Jama Masjid while several teams are criss-crossing small towns in Uttar Pradesh looking for leads.
Several teams have also gone to UP's Meerut, Saharanpur and other towns to try and get some leads in the case, which has caused huge embarrassment for the country ahead of the Commonwealth Games.
Police were also probing whether the e-mail of Indian Mujaheedin claiming responsibility for the Jama Masjid firing was sent through a proxy server located in a foreign country to hoodwink security agencies in India.
Police had earlier tracked the e-mail sent to several media organisations after the incident on Sunday to a Mumbai suburban town of Borivali. It was sent using a Tata mobile phone procured using fake documents.
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