For nearly 15 hours after Mayank Lohar, 22, was stabbed to death inside a moving local train, his alleged killer was on the run, criss-crossing Mumbai’s suburban network from Borivali to Mira Road and then to Panvel. What, eventually, as per reports, brought the manhunt to an end wasn’t a tip-off or a confession, but a single, almost accidental detail caught on camera: the logo of his employer printed on his T-shirt.