S Swathi, employed with software giant Infosys, was found dead with cut injuries on her face and neck around 6.30 am on a platform in Nungambakkam railway station, police said.
Police released a 'file photo' of the man, saying it had been 'developed' by them.
'Some reckon his bitterness results from wanting to stay relevant despite a waning career.'
The incidence of more crimes across Tamil Nadu is threatening to make law and order an inevitable poll issue in the state-wide local bodies elections due only months from now, says N Sathiya Moorthy.