Police in the Khwazakhela area in Swat on Sunday arrested two people, including a woman, for allegedly stealing bikes, reported the 24NewsHD TV channel.
As many as 14 motorcycles were recovered from them.
During investigation, it came to light that the woman was also the murderer of her two-year-old girl.
She had murdered the infant in connivance with her paramour and later buried her in the mountainous area of Mingora.
Police launched an investigation after registering a case.
Reporter: Haider Ali Jan