The suspect arrested in the Nov. 19, 2015, robbery of Ankeny’s Mini Mart No. 4 pleaded not guilty Thursday.

Bradley Matthew Clark, 20, of Austin, was charged with one count of felony aggravated robbery and possession of a dangerous weapon, and he admitted to police to using the money to buy drugs, according to a court complaint.

Officers responded to Ankeny’s Mini Mart No. 4, 902 12th St. SW, around 8:45 a.m. Nov. 19 to a report of an armed robbery.

The suspect, later identified as Clark, was said to have left on foot walking toward the fairgrounds.

Officers arrived and searched the area, finding a homeowner with a surveillance video which showed Clark riding a bike past the residence.

An Ankeny’s employee reported she was at the south end of the counter when Clark came into the store and demanded money wielding a fixed-blade hunting knife. He was wearing a black hooded sweatshirt with white swirls, a red ski mask that covered his nose and mouth, and gloves.

Clark reportedly told the employee to get on the floor after taking about $175 from the store and then he went to the door. The employee then pushed the alarm button, locked the door and called 911.

Officers spoke with neighbors and identified Clark as a possible suspect, according to the report. Clark had been residing on the 700 block of 18th Street Southwest, a few blocks from the robbery.

On Nov. 20, officers spoke with someone Clark was living with who said he moved in with her about a week prior. She confirmed he had a bike and hoodie similar to the ones the suspect had. Officers searched the home with consent and found Clark in the basement, according to the report.

The report stated Clark did not act surprised by the news he was a suspect in the robbery, and he admitted to being a heroin addict when officers found “a significant amount of heroin paraphernalia” in the basement. Officers found the bicycle and later found the clothing and knife used in the robbery, with the cooperation of Clark.

Officers arrested Clark and interviewed him two separate times at the Mower County Jail, and Clark reportedly admitted to the robbery and said he “turned around six times” before he actually went into the store. He said he used the money to buy drugs and that nobody else was involved.