A south Jakarta motorcyclist tested positive for methamphetamine and was named an assault suspect Monday after punching a stranger on the street in an attack captured on video. Jagakarsa police station chief Nurma Dewi announced the suspect status of Fredik Risya Samuel, 37, of Sawangan, Depok, and said investigators are still tracing the source of the drugs.

What happened on Jalan Moch Kahfi II?

A minor collision set off the attack. On Saturday, July 4, 2026, around 11:30 a.m. local time, Samuel's Kawasaki Ninja grazed Abdul Aziz's motorcycle on Jalan Moch Kahfi II near Lapangan Al Bainah in Cipedak. When Aziz objected, Samuel punched him repeatedly in the face with a closed fist, striking his left jaw multiple times.

Aziz filmed the incident and posted the footage to social media. The video spread quickly, including a clip of Samuel smiling as residents restrained him. He was arrested the following day, Sunday, July 5, in the Cipedak area.

Why did FRS attack a complete stranger?

Samuel told police he was driven by an inner urge to attack people on the road at random. "He admitted it was a voice within himself. He just wanted to hit people," Nurma Dewi said. A urine test after his arrest confirmed it: "We conducted the urine test and he tested positive for methamphetamine," she said.

Samuel had no specific reason to be in the area. According to police, he was simply riding around Jagakarsa, far from his home in Sawangan.

One distinction matters: the "inner voice" is Samuel's account as relayed by police, not a medical diagnosis. Whether his mental state at the time affects the criminal case depends on a formal psychiatric evaluation, if authorities decide to order one.

Two charges, two penalties

Samuel faces charges under Article 466 of Indonesia's new Criminal Code (Law No. 1/2023), in force since January 2, 2026, carrying a maximum sentence of two years and six months. Several outlets cited Articles 352 or 351 of the old code, which is not unusual given this is the first year the new legislation applies.

A heavier penalty may follow on the narcotics side. Police said they are still investigating where Samuel obtained the methamphetamine. "We are still developing the case: where he bought it, and who he was using with," Nurma Dewi said. If sufficient evidence of a supply network emerges, narcotics charges could be added on top of the existing assault case.

Viral first, arrested a day later

Samuel was arrested roughly 24 hours after Aziz's video spread and drew widespread condemnation online. The victim's own footage drove the swift police response. This pattern has recurred in multiple public-violence cases: citizen video often produces faster results than formal reporting channels. How police respond to street violence that goes unrecorded remains an open question, one that figures in broader discussions around police reform, including the revision of the National Police Law.

Aziz's condition and whether Samuel attacked any other victims that day had not been disclosed in official police statements at the time of publication.