#SwathiMurder: How the Tamil Nadu police cracked the case

DAY 1: JUNE 24: Infosys employee Swathi S was murdered by an unidentified assailant on Platform No 2 at the Nungambakkam railway station at 6.40 am. Her body unattended lay in a pool of blood for close to two hours.

DAY 2: JUNE 25: Police released the first CCTV clip showing the suspected killer recorded at a residence near the station.

DAY 3: JUNE 26: The second CCTV clip showing of the suspected murderer jumping off the railway station wall was released.

DAY 4: JUNE 27: Soon after the Madras High Court took suo motu cognisance of the case, it was transferred from GRP to Chennai Police, which in turn set up four investigation teams.

DAY 5: JUNE 28: Pressure mounted on police as they couldn’t get any headway in the case and politicians too visited Swathi’s parents.

DAY 6: JUNE 29: Police rushed to Paranur near Chengalpet on information that the murderer is hiding there. Number of investigation teams increased to 10 with 10 cops in each.

DAY 7: JUNE 30: Crucial information came about as the watchman of a bachelors’ mansion in Swathi’s neighbourhood told the investigating team that a guy looking similar to the latest CCTV image had been missing from the mansion for a week. Based on their info, police rushed to Tirunelveli.

DAY 8: JULY 1: Police arrested the murderer identified as Ramkumar in his hometown near Senkottai around 10 pm while attempting to kill himself.