BBM: According to the article I linked, the tip was provided on Wednesday 16th October - Stallworth and Brown were (initially) detained on 13th October.
Then Stallworth was bonded out on 17th October.
The tip seems to have happened while they both were in jail.
Man detained after Kamille McKinney abduction is freed on bond
Oct 17, 2019
The man detained in the connection with the abduction of a 3-year-old Birmingham girl has been released from jail after being arrested on unrelated charges.
Patrick Devone Stallworth, 39, bonded out of the Jefferson County Jail at 3:22 a.m., according to jail records. His bond was set at $500,000 on seven child











charges.
[...]
Residents at Woodside Condominiums in Center Point spotted the car and called police. Officers swarmed the complex, arresting Stallworth and Brown.
Stallworth was held for almost 48 hours and then charged with possession of child











and possession with intent to distribute child











. The images were discovered on his phone during the ongoing investigation into the abduction of Kamille.
None of the photos on Stallworth’s phone were of Kamille, according to authorities. He has not been charged with any crime in connection with Kamille’s disappearance. A preliminary hearing in the child











cases is set for Nov. 12.
Brown remains held without bond after authorities filed a motion Tuesday to revoke her bond in a 2018 case in which Brown is accused of abducting her three children from DHR custody. Brown also uses the name Quentesa Jackson, and she and Stallworth are in a dating relationship.
[...]
Birmingham
attorney Emory Anthony was appointed Thursday as Stallworth’s attorney. He said he went to speak with him and learned he had been released from jail. Because he has not spoken with his client, Anthony said he could not comment further on the case.
[...]
Stallworth has no significant prior criminal record. He pleaded guilty to a misdemeanor marijuana possession charge in Butler County in 2004. He was arrested again in 2013 on a felony marijuana possession charged but it was dismissed.
^^^bbm