Police are also trying to locate the baby’s mother after the body was found in a West Midlands canal.
The baby is believed to have been in the water for up to four days before being discovered.
Crimestoppers are offering £ 5,000 reward for information on the alleged murder, with police concerned for the missing mother’s well-being.
The Daily Mirror reported that the body was discovered on May 20 at around 1 p.m. by a shocked passer-by in the Wyrley and Essington Canal in Rough Wood National Park near Willenhall, Walsall.
Officers previously said the full term baby was “probably not alive” when put in the body of water.
Mick Duthie, Director of Operations at Crimestoppers, said: “This is a particularly sad, tragic and shocking case for the community, so we want to have some answers as to what happened and who was involved.
“We urge anyone who might know anything to contact our charity anonymously as soon as possible.
“There is also a concern for the well-being of the baby’s mother.
“Investigators, who have asked our charity to give this award, believe someone may know or suspect who the mother is.
“We hope that our reward for the information given anonymously will help inspire someone’s conscience to speak out and tell us what they know. “
Mr Duthie added: “Anyone who contacts Crimestoppers remains 100% anonymous. Always. We have kept this promise for over 32 years.
“When you call our UK contact center on the free number 0800 555 111, which is open 24/7, or use our simple, secure and anonymous online form at www.crimestoppers-uk.org to provide information , no one will know that you have contacted us, only you. ”
Lee Coles made the tragic discovery on his way home from shopping.
The 27-year-old, who has a toddler himself, said he initially believed the tragic infant was a doll, but called the police when he realized what had happened. past.
Mr. Coles, a full time caregiver, noticed the infant’s feet and hands in the water in the water.
He said: “I went into complete shock. I couldn’t move. I had to sit down – I felt like I was going to pass out. “
“When I got home, I hugged my son a little tighter,” he added.
Also speaking at the time, Chief Detective Inspector Jim Munro of the Force’s CID said: “This discovery is simply tragic.
“The death of this baby is absolutely heartbreaking.
“Our priority right now is to find the mother of the little boy. “