Three additional people have been charged in an attempted robbery gone wrong that led to a 17-year-old’s death in Mankato. Sageng has been charged with one count of aiding and abetting first-degree attempted aggravated robbery and one count of conspiracy to commit first-degree aggravated robbery. Bakke drove the two to the business, during which Ryan allegedly threw two phones out of the car. Bakke is charged with one count each of aiding an offender-second-degree murder after the fact, aiding an offender attempted first-degree aggravated robbery, aiding and abetting aggravated first-degree robbery, conspiracy to commit first-degree aggravated robbery, aiding an offender to conceal second-degree murder and aiding an offender to conceal first-degree attempted aggravated robbery. A warrant is still active for SagengChrista has been charged with one count each of aiding an offender-obstruction of investigation of second-degree murder, aiding an offender-obstruction of investigation attempted first-degree aggravated robbery, aiding an offender to conceal second-degree murder and aiding an offender to conceal attempted first-degree aggravated robbery.