Officials say a rebel leader known as "Marlon" ordered the attack in which 20 people were killed.
Political violence has escalated in Colombia ahead of next month's presidential election.
The air strike comes after the US accused the Colombian president of allowing the drugs trade to expand.
Drones are being increasingly used by illegal armed groups to attack Colombia's security forces.
The prosecutor's office accuses rebels of killing eight people after fearing the alleged formation of a rival group.
The US hopes the Hugo Carvajal will provide them with incriminating information on President Maduro.
The military says the civilians were acting under pressure from dissidents of the Farc rebel group.
According to the Colombian Ombudsman's Office, 409 children and teenagers were recruited by armed groups in 2024.
He was seized by masked armed men at his home in what is believed to have been a kidnapping for ransom.