Heather Mack of Chicago, Ill., center, is mobbed by reporters as she arrives in the courtroom for her sentencing hearing at a district court in Denpasar, Bali, Indonesia, April 21, 2015. (AP Photo / Firdia Lisnawati, File)

Mack, who lived with her mother in suburban Oak Park, served seven years of her 10-year Indonesian sentence. She was then deported in 2021 and U.S. agents arrested her immediately after she landed at Chicago’s O’Hare International Airport.

Heather Mack of Chicago, Ill., center, is mobbed by reporters as she arrives in the courtroom for her sentencing hearing at a district court in Denpasar, Bali, Indonesia, April 21, 2015. (AP Photo / Firdia Lisnawati, File)

The U.S. Constitution prohibits prosecuting someone twice for the same acts, commonly known as double jeopardy. But the allegations in Sheila Von Wiese-Mack’s death involve two countries with their own laws and their own claims to jurisdiction, an expert said.

Heather Mack of Chicago, Ill., center, escorted by immigration officers to Immigration detention center in Jimbaran, Bali, Indonesia on Friday, Oct. 29, 2021. (AP Photo/Firdia Lisnawati, File)

FBI agents took Heather Mack, 26, into custody on her arrival at Chicago’s O’Hare International Airport on Wednesday morning.

Heather Mack of Chicago, Ill., center, escorted by immigration officers to Immigration detention center in Jimbaran, Bali, Indonesia on Friday, Oct. 29, 2021. (AP Photo/Firdia Lisnawati, File)

Heather Mack was released from prison on Friday after serving seven years and two months of a 10-year sentence. Her then-boyfriend, who was also convicted in the killing, was sentenced to 18 years and remains in prison.

In this Tuesday, April 21, 2015 file photo, Heather Mack of Chicago, center, is escorted by police officers as he arrives in the courtroom for her sentencing hearing at a district court in Denpasar, Bali, Indonesia. (AP Photo / Firdia Lisnawati, File)

A Chicago woman convicted of assisting her boyfriend in her mother’s murder and stuffing the body in a suitcase on Indonesia’s resort island of Bali in 2014 is being released early from a 10-year sentence, a prison official confirmed Wednesday.