According to authorities, Brehmer picked Hoffman as the victim and enlisted the aid of four friends: Kayden McIntosh, Caleb Leyland, and two other minors who have not been identified.

Source: https://ksusentinel.com/2023/02/20/denali-brehmer-offer-to-pay-9-million-and-catfishing-her-an-alaskan-lady-admitted-to-killing-her-best-friend/

Brehmer said that at some point, McIntosh took a gun from her and shot Hoffman before pushing her into the river.

Source: https://www.dailymail.co.uk/galleries/article-11775949/Alaska-woman-22-pleads-guilty-killing-best-friend.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Brehmer was 18 at the time of the murder and carried out the crime after meeting a man online who went by the name of “Tyler,” the Anchorage District Attorney’s Office previously said.

Source: https://1010wcsi.com/fox-news/alaska-woman-admits-she-killed-best-friend-after-being-promised-millions-in-catfishing-scheme/?utm_source=rss&utm_medium=rss&utm_campaign=alaska-woman-admits-she-killed-best-friend-after-being-promised-millions-in-catfishing-

Council Chair Todd Johnson said that council accepted the resignation and, in a press release sent out, named Deputy Administrator Karen Brehmer acting interim administrator.

Source: https://www.newberryobserver.com/news/40284/top-10-news-stories-of-2022

She had established an online relationship with an Indiana man going by the name of "Tyler," who told Brehmer he was a millionaire from Kansas.

Source: https://www.theblaze.com/news/denali-brehmer-pleads-guilty

Twenty-two-year-old Denali Brehmer killed Cynthia Hoffman, 19, in 2019 and agreed to plead guilty on Wednesday, the outlet further said.

Source: https://www.ndtv.com/world-news/alaska-woman-kills-best-friend-she-was-promised-9-million-for-murder-video-3798356