This paper presents a model-agnostic reconstruction of the expansion history of the universe and properties of dark energy using DESI Data Release 1 (DR1) BAO data combined with supernova data (PantheonPlus, Union3, and DES-SN5YR) and Planck CMB observations. The method employed is Crossing Statistics, which allows for the reconstruction of dark energy behavior without assuming a specific parametrization. The results suggest that dark energy may exhibit an evolving behavior, with negligible presence at redshifts $ z \gtrsim 1 $, and that the cosmological constant lies outside the 95% confidence intervals for some redshift ranges. The findings are consistent with results from the conventional $ w_0 - w_a $ dark energy equation of state parametrization. The study also reports constraints on $ H_0 r_d $ from the analysis, independent of pre-recombination physics. The reconstructions using Crossing Statistics show that dark energy behavior is consistent with a cosmological constant in the high-redshift regime, but with a slower acceleration at low redshifts. The results indicate that a wide range of expansion histories, different from a cosmological constant, are viable and consistent with current data. The study highlights the importance of model-agnostic approaches in understanding dark energy and provides insights into the potential evolution of dark energy. The findings support the conclusions from the DESI Key cosmology paper and suggest that dark energy may have a more complex behavior than previously thought. The results also show that the inclusion of CMB data leads to a smoother reconstructed dark energy behavior and a more accurate expansion history that closely matches that of the $ \Lambda $ CDM model at high redshifts. The study emphasizes the need for further exploration of model-independent reconstructions of the expansion history of the universe.This paper presents a model-agnostic reconstruction of the expansion history of the universe and properties of dark energy using DESI Data Release 1 (DR1) BAO data combined with supernova data (PantheonPlus, Union3, and DES-SN5YR) and Planck CMB observations. The method employed is Crossing Statistics, which allows for the reconstruction of dark energy behavior without assuming a specific parametrization. The results suggest that dark energy may exhibit an evolving behavior, with negligible presence at redshifts $ z \gtrsim 1 $, and that the cosmological constant lies outside the 95% confidence intervals for some redshift ranges. The findings are consistent with results from the conventional $ w_0 - w_a $ dark energy equation of state parametrization. The study also reports constraints on $ H_0 r_d $ from the analysis, independent of pre-recombination physics. The reconstructions using Crossing Statistics show that dark energy behavior is consistent with a cosmological constant in the high-redshift regime, but with a slower acceleration at low redshifts. The results indicate that a wide range of expansion histories, different from a cosmological constant, are viable and consistent with current data. The study highlights the importance of model-agnostic approaches in understanding dark energy and provides insights into the potential evolution of dark energy. The findings support the conclusions from the DESI Key cosmology paper and suggest that dark energy may have a more complex behavior than previously thought. The results also show that the inclusion of CMB data leads to a smoother reconstructed dark energy behavior and a more accurate expansion history that closely matches that of the $ \Lambda $ CDM model at high redshifts. The study emphasizes the need for further exploration of model-independent reconstructions of the expansion history of the universe.