Mark 14:10

10 Then Judas Iscariot, one of the twelve disciples, went off to the chief priests in order to betray Jesus to them.

Mark 14:10 In-Context

8 She did what she could; she poured perfume on my body to prepare it ahead of time for burial.
9 Now, I assure you that wherever the gospel is preached all over the world, what she has done will be told in memory of her."
10 Then Judas Iscariot, one of the twelve disciples, went off to the chief priests in order to betray Jesus to them.
11 They were pleased to hear what he had to say, and promised to give him money. So Judas started looking for a good chance to hand Jesus over to them.
12 On the first day of the Festival of Unleavened Bread, the day the lambs for the Passover meal were killed, Jesus' disciples asked him, "Where do you want us to go and get the Passover meal ready for you?"
Scripture taken from the Good News Translation - Second Edition, Copyright 1992 by American Bible Society. Used by Permission.