His agents started secret negotiations with some Armenian soldiers in the town , but Joscelin of Courteney who was informed of the plot warned Baldwin .
In April 1112 , Mawdud returned and besieged Edessa .
Mawdud 's agents started secret negotiations with some Armenian soldiers in the town , but Joscelin of Courteney who was informed of the plot warned Baldwin .
In April 1112 , Mawdud returned and besieged Edessa .