You can't pick up weapons. The weapon you wish to use must be in your inventory and then you can equip it.
easy, touch it
Press the circle button near a weapon to pick it up.
press the key a
Any weapons he pick up from defeated enemies.
Push the END button
Hit the "Use" button while looking at the weapon. In Swat 3 you collect the weapons the suspects have to prevent other suspects from picking them up and using them. In addition some missions require that all weapons be seized. You cannot use a weapon you have collected.
WCW was up for buying many years back. It was acquired by World Wrestling Entertainment WWE
Look for weapons with green coloring around it because it means it has ammo so go up to it and press"E" to pick it up.The weapons with red coloring don't waste your time with those guns because they don't have ammo so whats the point about picking up a gun with NO ammo!
When standing next to a weapon on the floor hit the B button(Xbox 360)Circle button(PS3) to pick it up.
To obtain new weapons that you can then forever have access to, you must purchase the weapon, pick them up or earn them. Once you have every weapon, you can just access them in your crib and choose which weapons you want to carry. Thus there being no need to keep collecting them.
Swing the nunchuck down and up while over the desired gun.