As Coyote pointed out, scientific laws are descriptive, not prescriptive. They have no source.
Yes, the laws are descriptive, but we might be able to do a little better at studying the origin of physical laws than your truth suggests. What I don't see how the doing would be helpful to ID.
For example, we might consider the origin of the universe by looking at the epochs during which the universe was dominated by various forms of matter/energy and during which the various forces (electromagnetic, electroweak, strong force) separated as the energy levels/density dropped via expansion. Certainly the gross 'properties' of the universe (loosely defined as how matter/energy/fields interacted) were all different during those eras. Of course that all happened in an unimaginatively small period of time.
The universe evolved even after all of that. For example at one time the universe was completely opaque to light. During an even longer era, the creation of stars was a complete impossibility, and for even longer than that, the creation of planets was impossible.
And of course the universe is still changing. At some point we may reach an epoch were it is impossible for any two particles to remain bound to each other via any of the known forces. Surely we might consider that to be an era where the physical laws are different than they are now. I don't see how that advances any search for intelligence. All indications are that the universe has acted pretty much the way it does now for the overwhelming portion of the 13.8 billion years of its existence.
Edited by NoNukes, : Add in some indication of time frame.
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