Published: Mar 22, 2013 4:05 PM EDT

NORTH FORT MYERS, Fla.- Robbery detectives have made an arrest in the Farmer Jack's Market armed robbery from March 7.

Thursday night, detectives arrested a 16-year-old and charged him with Robbery with a Firearm. Detectives are still seeking the second suspect in the case.

Deputies say the two male suspects robber Farmer Jack's Market just before 11:00 p.m. on March 7. They allegedly entered store wearing shirts over their faces. Both were armed with handguns. They demanded money from the clerk who complied. The victim was not injured.

Anyone who can identify the second suspect, or has additional information, is asked to call the Lee County Sheriff's Office at (239) 477-1000 or, to remain anonymous and be eligible for a reward up to $1,000, Southwest Florida Crime Stoppers at 1-800-780-TIPS(8477). Anonymous tips may also be made online at www.swflcrimestoppers.org, via text to CRIMES (274637) Keyword: REWARD or through the TipSubmit app on any Smart phone.