  Kruger has led a troubled life. He was born into a broken,
dysfunctional family and placed in foster care at the age of 12.
He began drinking at age 8 and smoking marijuana and crack
cocaine at age 15. Psychiatric problems emerged during his
adolescence. He was homeless from the ages of 18 to 25. He has
a lengthy criminal history dating back to age 17 that includes
multiple prior felony convictions. As a result of those convic-
tions, during the time period relevant to this case, Kruger
could not legally possess a firearm or ammunition in interstate
commerce. § 922(g)(1).
    On June 6, 2013, Kruger arranged to purchase a .22 caliber
rifle and a 1,600-round canister of .22 caliber ammunition at a
Gander Mountain store in Deforest, Wisconsin. Bonnie Forseth
purchased these items atKruger’s behest; he told her that he
was going to give the rifle to his father as a gift. Following the
purchase, she placed the rifle in his truck and did not see it
No. 15-3203                                                    3

again. Kruger’s father would later tell investigators that Kruger
did, in fact, give the gun to him. But at one or more points
during the period of August 14 to August 28, 2013, both the
rifle and the ammunition were in Kruger’s possession.
   On August