If you have any information please contact PC Savazzi of Loddon Valley police station via the Thames Valley Police Enquiry Centre on 101.
If you don't want to speak directly to the police you can contact the independent charity Crimestoppers anonymously on 0800 555 111 or online at www.crimestoppers-uk.org. No personal details are taken, information is not traced or recorded and you will not go to court.
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A "wicked and selfish" mother has been jailed for life for murdering her 20-month-old daughter over a bitter custody battle.