Explosives experts said the level of damage of the Las Vegas blast was likely limited in part because of the materials used and the execution of the apparent attack.WADE VANDERVORT/AFP/Getty ImagesExperts told BI the explosives detonated in an apparent attack outside a Trump hotel didn't appear sophisticated.One explosives expert said the incident, where the driver was an active-duty Army service member, appeared "poorly executed."Authorities said the explosives were "not what we would expect from an individual with this type of military experience."Explosive experts told Business Insider the damage from the materials detonated inside a Tesla Cybertruck in front of the Trump International Hotel in Las Vegas would likely have been worse if the items used had been more sophisticated.The explosive-laden Cybertruck, which authorities say carried gasoline tanks, camping fuel, and large firework mortars, injured at least seven people.