The accused Vineet Singh, hailing from Muzzaffarnagar in Uttar Pradesh befriended Jyoti Kori (44) on Facebook some two and half years ago.
Inspector General, Jabalpur Range, Upendra Jain said Jyoti never revealed that the photograph she had put up on the site was not hers, and that she was a married woman with three children.
On April 18, Vineet arrived in Jabalpur to meet her in person for the first time. The two went to Bhedhaghat on the banks of river Narmada near here, where after learning the truth he shot her dead and then shot himself.
Police said the pistol he used too appears in some of his Facebook photographs, which Jyoti had 'liked'.
Further probe is on.