Mr Oyeyemi said two locally made pistols, assorted charms and other ammunition were recovered from them.
Police spokesman in the state, Abimbola Oyeyemi, said in a statement that the suspects were arrested on October 11.
The police said 84-year-old Stephen Jack was a well-known paedophile in the area.
On Thursday, youths around the Iju area and its environs blocked the Ota-Idiroko expressway to protest multiple accidents on the Ota-Idiroko expressway.
The suspects were said to have confessed to belonging to the Eiye confraternity and were invited by the traditional ruler’s son.
Mr Oyeyemi said that, on interrogation, the suspect confessed that she had sold the baby for N600,000 to someone in Anambra State.
Mr Oyeyemi noted that the highway robbers were taking advantage of the traffic build up in the area, occasioned by the ongoing construction on the road to waylay travellers.
The older suspect said she bought the child from the second suspect at Agege area of Lagos for N500,000.
The victim’s mother said she had sent her 15-year-old daughter on an errand in the Akute Odo area, but Mr Njoku allegedly waylaid her.
The estranged husband said she had no right to live alone and vowed that no other man would be with her, after she had divorced him due to physical abuse.
