Former airline co-pilot in custody after Busan murder, cross-city police probe

A 50-something man identified by police as Kim M., a former airline co-pilot, is in custody on suspicion of murder after authorities say he killed a fellow captain in an apartment in Busan and then fled before being arrested in Ulsan about a day later.

Police said on the 18th that they had applied to a court for a detention warrant against Kim on murder charges. Investigators allege that Kim stabbed Captain A at around 5:30 a.m. in an apartment in Busan’s Busanjin District.

The investigation also outlines a separate incident on the previous day, the 16th, in Ilsan-Seo District of Goyang City, where another captain, Captain B, was attacked at a residence and an attempt to strangle him with a weapon failed, after which the suspect fled the scene.

prosecutors say Kim then went to the Changwon residence of another former colleague, Captain C, to carry out another crime, but the attempt did not succeed. He subsequently fled to Ulsan, where he was apprehended at about 8 p.m. on the 17th, roughly 14 hours after the Busan murder.

The police added that Kim held a grudge against four captains, including Captain A, who were his seniors at the Korea Air Force Academy and former colleagues. They say Kim had been following them and surveying their residences to plan the attacks over the past several months, and investigators are verifying his statements.

This case underscores cross-city policing in South Korea, as the alleged crimes spread across Busan, Goyang, Changwon, and Ulsan. For international audiences, it highlights how authorities coordinate investigations involving individuals with ties to the aviation sector, and how such cases can influence perceptions of aviation-security risk and staff oversight in a global industry. While the incident occurred domestically, it intersects with the broader context of airline networks, personnel screening, and security policy that affect carriers and supply chains beyond Korea.