PORTLAND — Police arrested a 20-year-old man in Westbrook on Thursday in connection with a late-night fatal shooting at a Portland recording studio in May.

Johnny Ouch was charged with murder and elevated aggravated assault in the death of 19-year-old Treyjon Arsenault of Scarborough, according to a press release from the Portland Police Department. Both are Class A felonies.

Portland Police Chief Michael Sauschuck held a news conference Thursday afternoon to announce the arrest, but declined to elaborate on the status of the investigation. Police previously said they believe multiple people were involved in the death.

Sauschuck said that police arrested Ouch on East Valentine Street in Westbrook around 11 a.m. and he is being held at Cumberland County Jail, awaiting an initial court appearance.

The charges against Ouch are also in connection with the shooting of a second victim, who was released from a hospital after being treated for gunshot wounds.

Police have declined to disclose the identity of the second victim.

Police have said they believe the suspects and victims knew each other, but Sauschuck said he could provide no additional information about possible motives, what led to the shooting, or what exactly led them to Ouch almost two months after the crime.

Authorities said in May that they believe seven to 11 people were in Da Block studio at 26 Market St. at the time of the shooting, which took place during a May 25 recording session.

Sauschuck declined to say whether Ouch was one of the people who had signed into the recording studio that night.

He said police are working with the state attorney general’s office to prepare a case against Ouch.

Murder is punishable by 25 years to life in prison. The maximum sentence for elevated aggravated assault is 30 years in jail.

Sidebar Elements

Portland police arrested 20-year-old Johnny Ouch Thursday morning, July 16, in Westbrook on suspicion that he shot and killed 19-year-old Treyjon Arsenault on May 25 at Da Block Studios on Market Street in Portland. Ouch also faces charges of elevated aggravated assault in connection with the shooting of a second victim, who was treated for gunshot wounds.

Treyjon Arsenault, 19, of Scarborough, was shot to death May 25 at Da Block Studios in Portland.

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