TABLE 1

TABLE 1 DATA ON APPREHENSIONS OF UNAUTHORIZED CROSSERS BY U.S. BORDER PATROL AGENTS ALONG THE U.S.-MEXICO BORDER, BY FISCAL YEAR

*Fiscal year 1998 data only includes Oct. 97-Mar. 98.

Source: U.S. Immigration and Naturalization Service

TABLE 2

TABLE 2 POPULATION CENTERS ALONG THE U.S.-MEXICO BORDER

1995 DATA

Mexican City	Population	Corresponding U.S. City

Tijuana	989,287	San Diego, CA
Tecate	62,617	Tecate, CA
Méxicali	695,805	Calexico, CA
San Luis Rio Colorado	132,782	San Luis, AZ
Nogales	133,359	Nogales, AZ
Aqua Prieta	56,228	Douglas, AZ
General Plutarco Elías Calles (Soinita)	10,351	Soinita, AZ
Naco	4,912	Naco, AZ
Juárez	1,010,533	El, Paso, TX
Ojinaga	23,585	Presidio, TX
Ciudad AcunÿAE6a	81,577	Del Rio, TX
Piedras Negras	116,097	Eagle Pass, TX
Nuevo Laredo	274,913	Laredo, TX
Mier	6,270	Roma, TX
Miguel Alemán:	22,363	Roma, TX
Ciudad Camargo	15,309	Rio Grande City, TX
Reynosa	336,732	Hidalgo, TX
Matamoros	363,236	Brownsville, TX

Source: INEGI, Conteo de Poblacíon y Vivienda 1995: Resultados Preliminares. Aguascalientes, Ags., México, 1996

TABLE 3

TABLE 3 ESTIMATE OF STAFFING LEVEL REQUIREMENTS BY SECTOR

Position	Del Rio	El Centro	El Paso	Laredo	Marfa	McAllen	San Diego	Tucson	Yuma	U.S.-Mexico Border
Sector headquarters
Chief
Deputy Chief
Assistant Chief
Public Information Officers
Ongoing officer training
Pilots	30	30	30	30	30	30	30	30	30	30
All stations
Patrol Agent in Charge	10		12		11	11	11	11	11	11
Asst Patrol Agent in Charge	10		12		11	11	11	11	11	11
Watch Commander/FOS	50	20	60	40	55	55	55	55	55	55
Flexible response/anti-smuggling	80	32	96	64	88	88	88	88	88	88
Horse/motorcycle/ATV patrols	80	32	96	64	88	88	88	88	88	88
Intelligence	20		24	16	22	22	22	22	22	22
Sensor crew	20		24	16	22	22	22	22	22	22
Special projects	10		12		11	11	11	11	11	11
Rural line stations only
Easy areas (1 agent every 10 miles)	55		99	53	201	201	201	201	201	201
Medium (1 agent every 5 miles)			25	10	19	19	19	19	19	19
Difficult (1 agent every mile)	437	351	226	301
Ports/gates (4 agent per port/gate)	20		60	20	120	120	120	120	120	120
Back-up/transport/processing	120	80	160	40	280	280	280	280	280	280
Urban line stations only
Easy areas (4 agents per mile)			331	141
Medium areas (8 agents per mile)	361	241		161	40	40	40	40	40	40
Difficult areas (12 agents per mile)
Bike patrol	80	40	120	80	40	40	40	40	40	40
Highway/bus/train/airport check	80	40	120	80	40	40	40	40	40	40
Back-up/transport/processing	80	40	120	80	40	40	40	40	40	40
Fences/lights/cameras
Checkpoints only
Patrol agents—secondary roads	240		200	120	160	160	160	160	160	160
Agents—'Interstate/primary roads		120	180	60	60	60	60	60	60	60
Major freeways (California only)
K-9 handlers—secondary	15		13		10	10	10	10	10	10
K-9 handlers—primary/interstate		10	15
K-9 handlers—freeways
Totals	860	493	1,104	737	397	397	397	397	397	397

TABLE 4

TABLE 4 DATA USED IN ESTIMATING STAFFING LEVEL REQUIREMENTS BY SECTOR

Position	Del Rio	El Centro	El Paso	Laredo	Marfa	McAllen	San Diego	Tucson	Yuma	U.S.-Mexico Border
Number of stations	10		12		11	11	11	11	11	11
Number of urban line stations
Number of rural line stations
Number of rural ports, gates and dams
Number of urban miles (easy)			22
Line agents/urban mile (easy)
Number of urban miles (medium)
Line agents/urban mile (medium)
Number of urban miles (difficult)
Line agents/urban mile (difficult)	12	12	12	12	12	12	12	12	12	12
Number of rural miles (easy)	109		197	106	400	400	400	400	400	400
Number of rural miles (medium)			25	10	19	19	19	19	19	19
Number of rural miles (hard)	87	70	45	60
Checkpoints (secondary roads)
Checkpoints (primary roads/interstates)
Checkpoints (California freeways)
Shifts necessary for 24-hour coverage	5.02	5.02	5.02	5.02	5.02	5.02	5.02	5.02	5.02	5.02
Agents per unit (except pilots)
Pilots per unit
Checkpoint multiplier (primary/inter)	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5
Checkpoint multiplier (freeway)

TABLE 5

TABLE 5 SUMMARY TABLE BY SECTOR

Sector	Border Miles		Estimated Number of Agents Required
	Urban	Rural
Del Rio		196	1,813
El Centro		70	1,075
El Paso	22	267	2,052
Laredo	11	176	1,426
Marfa		419	1,367
McAllen	22	258	2,767
San Diego	16	50	2,334
Tucson	13	237	2,512
Yuma		109	787
Total	103	1,782	16,133

TABLE 6

FIGURE 1: Typical Sector/Station Staffing Tree



	SECTOR HEADQUARTERS
	XXXXXXXXX
	Chief Patrol Agent (CPA)

	Deputy Chief Patrol Agent (DCPA)

	Assistant Chief Patrol Agents (ACPAs):
		e
		e
Detail agents:		Shift agents:
XXXXXX		XXXXX
Public Information		Pilots/observers
Training
	STATIONS
	XXXX
	Patrol Agent in Charge (PAIC)

	Assistant Patrol Agent in Charge (APAIC)

	Watch Commanders/Field Operation Supervision (FOSs)
		e
		e
Detail agents:		Shift agents:
XXXXXX		XXXXX
Intelligence		Line agents (rural or urban)
Sensor crew		Back-up/transport/processing agents
Special projects		Bike patrol*
Flexible response/anti-smuggling		Highway/bus/train/airport check*
Horse/ATV/motorbike		Checkpoint agents**
Fence/lights/cameras*		K-9 handlers**

*Fense/lights/camera details, bike patrols, and highway/bus/train/airport check units in urban line stations only.

**Checkpoint agents and K-9 handlers in stations with checkpoints only.

TABLE 7

FIGURE 2 Border Patrol stations in the 9 southwestern border sectors