Decatur police say they caught on to a husband and wife team accused of robbing five downtown businesses.  Jeffery and Heather Johnson are accused of robbing Jimmy Johns twice, The Smokers Den, and a thrift store. The husband would break into the business and take any visible checks and cash.  Heather would then try to use the checks.  The couple is charged with burglary and forgery.   Police are questioning several others to determine whether they were also involved in the burglaries.