Why pay only 'migrants' to leave?

For the third consecutive month, the number of illegal migrants that agreed to leave Israel has more than doubled.

A total of 1,705 African migrants agreed to leave Israel voluntarily in February, Interior Minister Gideon Sa'ar said Thursday.

The number is the largest single monthly total yet, coming after 765 who left in January, 325 in December and 63 in November.

Sa'ar credits the