Border Patrol agents are apprehending an increasing number of migrant groups that include more than 100 people on the northern side of the U.S.-Mexico border, and recorded two more incidents this week.The total number of people found in large caravans wandering through southern Arizona in recent weeks now stands at 1,200, according to U.S. Customs and Border Protection.Agents based at Ajo Station in south-central Arizona found a group of 164 people and another that included about 100 people in the desert just north of Mexican city Sonoyta Tuesday afternoon, a . . .