chantelle doherty , 21 , jailed for preying on elderly people in their homes .
accomplice martin lawrence tricked elderly man and pair returned to his home days later and stole bottles of whisky , a phone and a credit card .
doherty jailed for two years after she pleaded guilty to burglary and fraud .
she previously led a gypsy girl gang who carried out campaign of terror .
lawrence jailed for 5 years for burglary , fraud , robbery and attempted theft .